diff options
| -rw-r--r-- | Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt | 31 | ||||
| -rw-r--r-- | MAINTAINERS | 11 | ||||
| -rw-r--r-- | drivers/staging/android/ion/devicetree.txt | 51 | ||||
| -rw-r--r-- | drivers/staging/ccree/ssi_request_mgr.c | 1 | ||||
| -rw-r--r-- | drivers/staging/fsl-dpaa2/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 24 | ||||
| -rw-r--r-- | drivers/staging/rtl8192e/rtl819x_TSProc.c | 15 | ||||
| -rw-r--r-- | drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c | 1 | ||||
| -rw-r--r-- | drivers/staging/typec/fusb302/fusb302.c | 86 | ||||
| -rw-r--r-- | drivers/staging/typec/pd.h | 10 | ||||
| -rw-r--r-- | drivers/staging/typec/pd_vdo.h | 4 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpci.c | 2 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpm.c | 77 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpm.h | 3 | ||||
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c | 31 |
15 files changed, 183 insertions, 165 deletions
diff --git a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt deleted file mode 100644 index c59e27c..0000000 --- a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt +++ /dev/null @@ -1,31 +0,0 @@ -Hi6220 SoC ION -=================================================================== -Required properties: -- compatible : "hisilicon,hi6220-ion" -- list of the ION heaps - - heap name : maybe heap_sys_user@0 - - heap id : id should be unique in the system. - - heap base : base ddr address of the heap,0 means that - it is dynamic. - - heap size : memory size and 0 means it is dynamic. - - heap type : the heap type of the heap, please also - see the define in ion.h(drivers/staging/android/uapi/ion.h) -------------------------------------------------------------------- -Example: - hi6220-ion { - compatible = "hisilicon,hi6220-ion"; - heap_sys_user@0 { - heap-name = "sys_user"; - heap-id = <0x0>; - heap-base = <0x0>; - heap-size = <0x0>; - heap-type = "ion_system"; - }; - heap_sys_contig@0 { - heap-name = "sys_contig"; - heap-id = <0x1>; - heap-base = <0x0>; - heap-size = <0x0>; - heap-type = "ion_system_contig"; - }; - }; diff --git a/MAINTAINERS b/MAINTAINERS index 503bcf4..9e98464 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -846,7 +846,6 @@ M: Laura Abbott <labbott@redhat.com> M: Sumit Semwal <sumit.semwal@linaro.org> L: devel@driverdev.osuosl.org S: Supported -F: Documentation/devicetree/bindings/staging/ion/ F: drivers/staging/android/ion F: drivers/staging/android/uapi/ion.h F: drivers/staging/android/uapi/ion_test.h @@ -3116,6 +3115,14 @@ F: drivers/net/ieee802154/cc2520.c F: include/linux/spi/cc2520.h F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt +CCREE ARM TRUSTZONE CRYPTOCELL 700 REE DRIVER +M: Gilad Ben-Yossef <gilad@benyossef.com> +L: linux-crypto@vger.kernel.org +L: driverdev-devel@linuxdriverproject.org +S: Supported +F: drivers/staging/ccree/ +W: https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family + CEC FRAMEWORK M: Hans Verkuil <hans.verkuil@cisco.com> L: linux-media@vger.kernel.org @@ -5695,7 +5702,7 @@ M: Alex Elder <elder@kernel.org> M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> S: Maintained F: drivers/staging/greybus/ -L: greybus-dev@lists.linaro.org +L: greybus-dev@lists.linaro.org (moderated for non-subscribers) GREYBUS AUDIO PROTOCOLS DRIVERS M: Vaibhav Agarwal <vaibhav.sr@gmail.com> diff --git a/drivers/staging/android/ion/devicetree.txt b/drivers/staging/android/ion/devicetree.txt deleted file mode 100644 index 16871527..0000000 --- a/drivers/staging/android/ion/devicetree.txt +++ /dev/null @@ -1,51 +0,0 @@ -Ion Memory Manager - -Ion is a memory manager that allows for sharing of buffers via dma-buf. -Ion allows for different types of allocation via an abstraction called -a 'heap'. A heap represents a specific type of memory. Each heap has -a different type. There can be multiple instances of the same heap -type. - -Specific heap instances are tied to heap IDs. Heap IDs are not to be specified -in the devicetree. - -Required properties for Ion - -- compatible: "linux,ion" PLUS a compatible property for the device - -All child nodes of a linux,ion node are interpreted as heaps - -required properties for heaps - -- compatible: compatible string for a heap type PLUS a compatible property -for the specific instance of the heap. Current heap types --- linux,ion-heap-system --- linux,ion-heap-system-contig --- linux,ion-heap-carveout --- linux,ion-heap-chunk --- linux,ion-heap-dma --- linux,ion-heap-custom - -Optional properties -- memory-region: A phandle to a memory region. Required for DMA heap type -(see reserved-memory.txt for details on the reservation) - -Example: - - ion { - compatbile = "hisilicon,ion", "linux,ion"; - - ion-system-heap { - compatbile = "hisilicon,system-heap", "linux,ion-heap-system" - }; - - ion-camera-region { - compatible = "hisilicon,camera-heap", "linux,ion-heap-dma" - memory-region = <&camera_region>; - }; - - ion-fb-region { - compatbile = "hisilicon,fb-heap", "linux,ion-heap-dma" - memory-region = <&fb_region>; - }; - } diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c index 522bd62..8611adf 100644 --- a/drivers/staging/ccree/ssi_request_mgr.c +++ b/drivers/staging/ccree/ssi_request_mgr.c @@ -376,7 +376,6 @@ int send_request( rc = ssi_power_mgr_runtime_get(&drvdata->plat_dev->dev); if (rc != 0) { SSI_LOG_ERR("ssi_power_mgr_runtime_get returned %x\n",rc); - spin_unlock_bh(&req_mgr_h->hw_lock); return rc; } #endif diff --git a/drivers/staging/fsl-dpaa2/Kconfig b/drivers/staging/fsl-dpaa2/Kconfig index 2e325cb..730fd6d 100644 --- a/drivers/staging/fsl-dpaa2/Kconfig +++ b/drivers/staging/fsl-dpaa2/Kconfig @@ -12,6 +12,7 @@ config FSL_DPAA2 config FSL_DPAA2_ETH tristate "Freescale DPAA2 Ethernet" depends on FSL_DPAA2 && FSL_MC_DPIO + depends on NETDEVICES && ETHERNET ---help--- Ethernet driver for Freescale DPAA2 SoCs, using the Freescale MC bus driver diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index 4723a0b..1c6ed5b 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -97,8 +97,9 @@ void rtl92e_set_reg(struct net_device *dev, u8 variable, u8 *val) switch (variable) { case HW_VAR_BSSID: - rtl92e_writel(dev, BSSIDR, ((u32 *)(val))[0]); - rtl92e_writew(dev, BSSIDR+2, ((u16 *)(val+2))[0]); + /* BSSIDR 2 byte alignment */ + rtl92e_writew(dev, BSSIDR, *(u16 *)val); + rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(val + 2)); break; case HW_VAR_MEDIA_STATUS: @@ -624,7 +625,7 @@ void rtl92e_get_eeprom_size(struct net_device *dev) struct r8192_priv *priv = rtllib_priv(dev); RT_TRACE(COMP_INIT, "===========>%s()\n", __func__); - curCR = rtl92e_readl(dev, EPROM_CMD); + curCR = rtl92e_readw(dev, EPROM_CMD); RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR); priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EEPROM_93C56 : @@ -961,8 +962,8 @@ static void _rtl92e_net_update(struct net_device *dev) rtl92e_config_rate(dev, &rate_config); priv->dot11CurrentPreambleMode = PREAMBLE_AUTO; priv->basic_rate = rate_config &= 0x15f; - rtl92e_writel(dev, BSSIDR, ((u32 *)net->bssid)[0]); - rtl92e_writew(dev, BSSIDR+4, ((u16 *)net->bssid)[2]); + rtl92e_writew(dev, BSSIDR, *(u16 *)net->bssid); + rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(net->bssid + 2)); if (priv->rtllib->iw_mode == IW_MODE_ADHOC) { rtl92e_writew(dev, ATIMWND, 2); @@ -1182,8 +1183,7 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc, struct cb_desc *cb_desc, struct sk_buff *skb) { struct r8192_priv *priv = rtllib_priv(dev); - dma_addr_t mapping = pci_map_single(priv->pdev, skb->data, skb->len, - PCI_DMA_TODEVICE); + dma_addr_t mapping; struct tx_fwinfo_8190pci *pTxFwInfo; pTxFwInfo = (struct tx_fwinfo_8190pci *)skb->data; @@ -1194,8 +1194,6 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc, pTxFwInfo->Short = _rtl92e_query_is_short(pTxFwInfo->TxHT, pTxFwInfo->TxRate, cb_desc); - if (pci_dma_mapping_error(priv->pdev, mapping)) - netdev_err(dev, "%s(): DMA Mapping error\n", __func__); if (cb_desc->bAMPDUEnable) { pTxFwInfo->AllowAggregation = 1; pTxFwInfo->RxMF = cb_desc->ampdu_factor; @@ -1230,6 +1228,14 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc, } memset((u8 *)pdesc, 0, 12); + + mapping = pci_map_single(priv->pdev, skb->data, skb->len, + PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(priv->pdev, mapping)) { + netdev_err(dev, "%s(): DMA Mapping error\n", __func__); + return; + } + pdesc->LINIP = 0; pdesc->CmdInit = 1; pdesc->Offset = sizeof(struct tx_fwinfo_8190pci) + 8; diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c index 48bbd9e..dcc4eb6 100644 --- a/drivers/staging/rtl8192e/rtl819x_TSProc.c +++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c @@ -306,11 +306,6 @@ static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr, pTsCommonInfo->TClasNum = TCLAS_Num; } -static bool IsACValid(unsigned int tid) -{ - return tid < 7; -} - bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs) { @@ -328,12 +323,6 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, if (ieee->current_network.qos_data.supported == 0) { UP = 0; } else { - if (!IsACValid(TID)) { - netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n", - __func__, TID); - return false; - } - switch (TID) { case 0: case 3: @@ -351,6 +340,10 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, case 7: UP = 7; break; + default: + netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n", + __func__, TID); + return false; } } diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index 5e7a61f..36c3189 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -3531,7 +3531,6 @@ int rtw_wdev_alloc(struct adapter *padapter, struct device *dev) pwdev_priv->power_mgmt = true; else pwdev_priv->power_mgmt = false; - kfree((u8 *)wdev); return ret; diff --git a/drivers/staging/typec/fusb302/fusb302.c b/drivers/staging/typec/fusb302/fusb302.c index 2cee9a9..4a356e5 100644 --- a/drivers/staging/typec/fusb302/fusb302.c +++ b/drivers/staging/typec/fusb302/fusb302.c @@ -264,22 +264,36 @@ static void fusb302_debugfs_exit(const struct fusb302_chip *chip) { } #define FUSB302_RESUME_RETRY 10 #define FUSB302_RESUME_RETRY_SLEEP 50 -static int fusb302_i2c_write(struct fusb302_chip *chip, - u8 address, u8 data) + +static bool fusb302_is_suspended(struct fusb302_chip *chip) { int retry_cnt; - int ret = 0; - atomic_set(&chip->i2c_busy, 1); for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); + dev_err(chip->dev, "i2c: pm suspend, retry %d/%d\n", + retry_cnt + 1, FUSB302_RESUME_RETRY); msleep(FUSB302_RESUME_RETRY_SLEEP); } else { - break; + return false; } } + + return true; +} + +static int fusb302_i2c_write(struct fusb302_chip *chip, + u8 address, u8 data) +{ + int ret = 0; + + atomic_set(&chip->i2c_busy, 1); + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; + } + ret = i2c_smbus_write_byte_data(chip->i2c_client, address, data); if (ret < 0) fusb302_log(chip, "cannot write 0x%02x to 0x%02x, ret=%d", @@ -292,21 +306,17 @@ static int fusb302_i2c_write(struct fusb302_chip *chip, static int fusb302_i2c_block_write(struct fusb302_chip *chip, u8 address, u8 length, const u8 *data) { - int retry_cnt; int ret = 0; if (length <= 0) return ret; atomic_set(&chip->i2c_busy, 1); - for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { - if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); - msleep(FUSB302_RESUME_RETRY_SLEEP); - } else { - break; - } + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; } + ret = i2c_smbus_write_i2c_block_data(chip->i2c_client, address, length, data); if (ret < 0) @@ -320,19 +330,15 @@ static int fusb302_i2c_block_write(struct fusb302_chip *chip, u8 address, static int fusb302_i2c_read(struct fusb302_chip *chip, u8 address, u8 *data) { - int retry_cnt; int ret = 0; atomic_set(&chip->i2c_busy, 1); - for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { - if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); - msleep(FUSB302_RESUME_RETRY_SLEEP); - } else { - break; - } + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; } + ret = i2c_smbus_read_byte_data(chip->i2c_client, address); *data = (u8)ret; if (ret < 0) @@ -345,33 +351,31 @@ static int fusb302_i2c_read(struct fusb302_chip *chip, static int fusb302_i2c_block_read(struct fusb302_chip *chip, u8 address, u8 length, u8 *data) { - int retry_cnt; int ret = 0; if (length <= 0) return ret; atomic_set(&chip->i2c_busy, 1); - for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { - if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); - msleep(FUSB302_RESUME_RETRY_SLEEP); - } else { - break; - } + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; } + ret = i2c_smbus_read_i2c_block_data(chip->i2c_client, address, length, data); if (ret < 0) { fusb302_log(chip, "cannot block read 0x%02x, len=%d, ret=%d", address, length, ret); - return ret; + goto done; } if (ret != length) { fusb302_log(chip, "only read %d/%d bytes from 0x%02x", ret, length, address); - return -EIO; + ret = -EIO; } + +done: atomic_set(&chip->i2c_busy, 0); return ret; @@ -489,7 +493,7 @@ static int tcpm_init(struct tcpc_dev *dev) ret = fusb302_i2c_read(chip, FUSB_REG_STATUS0, &data); if (ret < 0) return ret; - chip->vbus_present = !!(FUSB_REG_STATUS0 & FUSB_REG_STATUS0_VBUSOK); + chip->vbus_present = !!(data & FUSB_REG_STATUS0_VBUSOK); ret = fusb302_i2c_read(chip, FUSB_REG_DEVICE_ID, &data); if (ret < 0) return ret; @@ -1025,7 +1029,7 @@ static int fusb302_pd_send_message(struct fusb302_chip *chip, buf[pos++] = FUSB302_TKN_SYNC1; buf[pos++] = FUSB302_TKN_SYNC2; - len = pd_header_cnt(msg->header) * 4; + len = pd_header_cnt_le(msg->header) * 4; /* plug 2 for header */ len += 2; if (len > 0x1F) { @@ -1481,7 +1485,7 @@ static int fusb302_pd_read_message(struct fusb302_chip *chip, (u8 *)&msg->header); if (ret < 0) return ret; - len = pd_header_cnt(msg->header) * 4; + len = pd_header_cnt_le(msg->header) * 4; /* add 4 to length to include the CRC */ if (len > PD_MAX_PAYLOAD * 4) { fusb302_log(chip, "PD message too long %d", len); @@ -1663,14 +1667,12 @@ static int init_gpio(struct fusb302_chip *chip) if (ret < 0) { fusb302_log(chip, "cannot set GPIO Int_N to input, ret=%d", ret); - gpio_free(chip->gpio_int_n); return ret; } ret = gpio_to_irq(chip->gpio_int_n); if (ret < 0) { fusb302_log(chip, "cannot request IRQ for GPIO Int_N, ret=%d", ret); - gpio_free(chip->gpio_int_n); return ret; } chip->gpio_int_n_irq = ret; @@ -1787,11 +1789,13 @@ static const struct of_device_id fusb302_dt_match[] = { {.compatible = "fcs,fusb302"}, {}, }; +MODULE_DEVICE_TABLE(of, fusb302_dt_match); static const struct i2c_device_id fusb302_i2c_device_id[] = { {"typec_fusb302", 0}, {}, }; +MODULE_DEVICE_TABLE(i2c, fusb302_i2c_device_id); static const struct dev_pm_ops fusb302_pm_ops = { .suspend = fusb302_pm_suspend, diff --git a/drivers/staging/typec/pd.h b/drivers/staging/typec/pd.h index 8d97bdb..510ef72 100644 --- a/drivers/staging/typec/pd.h +++ b/drivers/staging/typec/pd.h @@ -92,6 +92,16 @@ static inline unsigned int pd_header_type_le(__le16 header) return pd_header_type(le16_to_cpu(header)); } +static inline unsigned int pd_header_msgid(u16 header) +{ + return (header >> PD_HEADER_ID_SHIFT) & PD_HEADER_ID_MASK; +} + +static inline unsigned int pd_header_msgid_le(__le16 header) +{ + return pd_header_msgid(le16_to_cpu(header)); +} + #define PD_MAX_PAYLOAD 7 struct pd_message { diff --git a/drivers/staging/typec/pd_vdo.h b/drivers/staging/typec/pd_vdo.h index dba172e..d92259f 100644 --- a/drivers/staging/typec/pd_vdo.h +++ b/drivers/staging/typec/pd_vdo.h @@ -22,6 +22,9 @@ * VDM object is minimum of VDM header + 6 additional data objects. */ +#define VDO_MAX_OBJECTS 6 +#define VDO_MAX_SIZE (VDO_MAX_OBJECTS + 1) + /* * VDM header * ---------- @@ -34,7 +37,6 @@ * <5> :: reserved (SVDM), command type (UVDM) * <4:0> :: command */ -#define VDO_MAX_SIZE 7 #define VDO(vid, type, custom) \ (((vid) << 16) | \ ((type) << 15) | \ diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c index 5e5be74..df72d8b 100644 --- a/drivers/staging/typec/tcpci.c +++ b/drivers/staging/typec/tcpci.c @@ -425,7 +425,7 @@ static const struct regmap_config tcpci_regmap_config = { .max_register = 0x7F, /* 0x80 .. 0xFF are vendor defined */ }; -const struct tcpc_config tcpci_tcpc_config = { +static const struct tcpc_config tcpci_tcpc_config = { .type = TYPEC_PORT_DFP, .default_role = TYPEC_SINK, }; diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c index abba655..20eb4eb 100644 --- a/drivers/staging/typec/tcpm.c +++ b/drivers/staging/typec/tcpm.c @@ -238,6 +238,7 @@ struct tcpm_port { unsigned int hard_reset_count; bool pd_capable; bool explicit_contract; + unsigned int rx_msgid; /* Partner capabilities/requests */ u32 sink_request; @@ -251,6 +252,8 @@ struct tcpm_port { unsigned int nr_src_pdo; u32 snk_pdo[PDO_MAX_OBJECTS]; unsigned int nr_snk_pdo; + u32 snk_vdo[VDO_MAX_OBJECTS]; + unsigned int nr_snk_vdo; unsigned int max_snk_mv; unsigned int max_snk_ma; @@ -997,6 +1000,7 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, struct pd_mode_data *modep; int rlen = 0; u16 svid; + int i; tcpm_log(port, "Rx VDM cmd 0x%x type %d cmd %d len %d", p0, cmd_type, cmd, cnt); @@ -1007,6 +1011,14 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, case CMDT_INIT: switch (cmd) { case CMD_DISCOVER_IDENT: + /* 6.4.4.3.1: Only respond as UFP (device) */ + if (port->data_role == TYPEC_DEVICE && + port->nr_snk_vdo) { + for (i = 0; i < port->nr_snk_vdo; i++) + response[i + 1] + = cpu_to_le32(port->snk_vdo[i]); + rlen = port->nr_snk_vdo + 1; + } break; case CMD_DISCOVER_SVID: break; @@ -1415,6 +1427,7 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port, break; case SOFT_RESET_SEND: port->message_id = 0; + port->rx_msgid = -1; if (port->pwr_role == TYPEC_SOURCE) next_state = SRC_SEND_CAPABILITIES; else @@ -1503,6 +1516,22 @@ static void tcpm_pd_rx_handler(struct work_struct *work) port->attached); if (port->attached) { + enum pd_ctrl_msg_type type = pd_header_type_le(msg->header); + unsigned int msgid = pd_header_msgid_le(msg->header); + + /* + * USB PD standard, 6.6.1.2: + * "... if MessageID value in a received Message is the + * same as the stored value, the receiver shall return a + * GoodCRC Message with that MessageID value and drop + * the Message (this is a retry of an already received + * Message). Note: this shall not apply to the Soft_Reset + * Message which always has a MessageID value of zero." + */ + if (msgid == port->rx_msgid && type != PD_CTRL_SOFT_RESET) + goto done; + port->rx_msgid = msgid; + /* * If both ends believe to be DFP/host, we have a data role * mismatch. @@ -1520,6 +1549,7 @@ static void tcpm_pd_rx_handler(struct work_struct *work) } } +done: mutex_unlock(&port->lock); kfree(event); } @@ -1719,8 +1749,7 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) } ma = min(ma, port->max_snk_ma); - /* XXX: Any other flags need to be set? */ - flags = 0; + flags = RDO_USB_COMM | RDO_NO_SUSPEND; /* Set mismatch bit if offered power is less than operating power */ mw = ma * mv / 1000; @@ -1957,6 +1986,12 @@ static void tcpm_reset_port(struct tcpm_port *port) port->attached = false; port->pd_capable = false; + /* + * First Rx ID should be 0; set this to a sentinel of -1 so that + * we can check tcpm_pd_rx_handler() if we had seen it before. + */ + port->rx_msgid = -1; + port->tcpc->set_pd_rx(port->tcpc, false); tcpm_init_vbus(port); /* also disables charging */ tcpm_init_vconn(port); @@ -2170,6 +2205,7 @@ static void run_state_machine(struct tcpm_port *port) port->pwr_opmode = TYPEC_PWR_MODE_USB; port->caps_count = 0; port->message_id = 0; + port->rx_msgid = -1; port->explicit_contract = false; tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); break; @@ -2329,6 +2365,7 @@ static void run_state_machine(struct tcpm_port *port) typec_set_pwr_opmode(port->typec_port, TYPEC_PWR_MODE_USB); port->pwr_opmode = TYPEC_PWR_MODE_USB; port->message_id = 0; + port->rx_msgid = -1; port->explicit_contract = false; tcpm_set_state(port, SNK_DISCOVERY, 0); break; @@ -2496,6 +2533,7 @@ static void run_state_machine(struct tcpm_port *port) /* Soft_Reset states */ case SOFT_RESET: port->message_id = 0; + port->rx_msgid = -1; tcpm_pd_send_control(port, PD_CTRL_ACCEPT); if (port->pwr_role == TYPEC_SOURCE) tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); @@ -2504,6 +2542,7 @@ static void run_state_machine(struct tcpm_port *port) break; case SOFT_RESET_SEND: port->message_id = 0; + port->rx_msgid = -1; if (tcpm_pd_send_control(port, PD_CTRL_SOFT_RESET)) tcpm_set_state_cond(port, hard_reset_state(port), 0); else @@ -2568,6 +2607,14 @@ static void run_state_machine(struct tcpm_port *port) break; case PR_SWAP_SRC_SNK_SOURCE_OFF: tcpm_set_cc(port, TYPEC_CC_RD); + /* + * USB-PD standard, 6.2.1.4, Port Power Role: + * "During the Power Role Swap Sequence, for the initial Source + * Port, the Port Power Role field shall be set to Sink in the + * PS_RDY Message indicating that the initial Source’s power + * supply is turned off" + */ + tcpm_set_pwr_role(port, TYPEC_SINK); if (tcpm_pd_send_control(port, PD_CTRL_PS_RDY)) { tcpm_set_state(port, ERROR_RECOVERY, 0); break; @@ -2575,7 +2622,6 @@ static void run_state_machine(struct tcpm_port *port) tcpm_set_state_cond(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON); break; case PR_SWAP_SRC_SNK_SINK_ON: - tcpm_set_pwr_role(port, TYPEC_SINK); tcpm_swap_complete(port, 0); tcpm_set_state(port, SNK_STARTUP, 0); break; @@ -2587,8 +2633,15 @@ static void run_state_machine(struct tcpm_port *port) case PR_SWAP_SNK_SRC_SOURCE_ON: tcpm_set_cc(port, tcpm_rp_cc(port)); tcpm_set_vbus(port, true); - tcpm_pd_send_control(port, PD_CTRL_PS_RDY); + /* + * USB PD standard, 6.2.1.4: + * "Subsequent Messages initiated by the Policy Engine, + * such as the PS_RDY Message sent to indicate that Vbus + * is ready, will have the Port Power Role field set to + * Source." + */ tcpm_set_pwr_role(port, TYPEC_SOURCE); + tcpm_pd_send_control(port, PD_CTRL_PS_RDY); tcpm_swap_complete(port, 0); tcpm_set_state(port, SRC_STARTUP, 0); break; @@ -3292,6 +3345,20 @@ static int tcpm_copy_pdos(u32 *dest_pdo, const u32 *src_pdo, return nr_pdo; } +static int tcpm_copy_vdos(u32 *dest_vdo, const u32 *src_vdo, + unsigned int nr_vdo) +{ + unsigned int i; + + if (nr_vdo > VDO_MAX_OBJECTS) + nr_vdo = VDO_MAX_OBJECTS; + + for (i = 0; i < nr_vdo; i++) + dest_vdo[i] = src_vdo[i]; + + return nr_vdo; +} + void tcpm_update_source_capabilities(struct tcpm_port *port, const u32 *pdo, unsigned int nr_pdo) { @@ -3382,6 +3449,8 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) tcpc->config->nr_src_pdo); port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcpc->config->snk_pdo, tcpc->config->nr_snk_pdo); + port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcpc->config->snk_vdo, + tcpc->config->nr_snk_vdo); port->max_snk_mv = tcpc->config->max_snk_mv; port->max_snk_ma = tcpc->config->max_snk_ma; diff --git a/drivers/staging/typec/tcpm.h b/drivers/staging/typec/tcpm.h index 969b365e..19c307d 100644 --- a/drivers/staging/typec/tcpm.h +++ b/drivers/staging/typec/tcpm.h @@ -60,6 +60,9 @@ struct tcpc_config { const u32 *snk_pdo; unsigned int nr_snk_pdo; + const u32 *snk_vdo; + unsigned int nr_snk_vdo; + unsigned int max_snk_mv; unsigned int max_snk_ma; unsigned int max_snk_mw; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index 988ee61..d04db3f 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -502,8 +502,15 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, */ sg_init_table(scatterlist, num_pages); /* Now set the pages for each scatterlist */ - for (i = 0; i < num_pages; i++) - sg_set_page(scatterlist + i, pages[i], PAGE_SIZE, 0); + for (i = 0; i < num_pages; i++) { + unsigned int len = PAGE_SIZE - offset; + + if (len > count) + len = count; + sg_set_page(scatterlist + i, pages[i], len, offset); + offset = 0; + count -= len; + } dma_buffers = dma_map_sg(g_dev, scatterlist, @@ -524,20 +531,20 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, u32 addr = sg_dma_address(sg); /* Note: addrs is the address + page_count - 1 - * The firmware expects the block to be page + * The firmware expects blocks after the first to be page- * aligned and a multiple of the page size */ WARN_ON(len == 0); - WARN_ON(len & ~PAGE_MASK); - WARN_ON(addr & ~PAGE_MASK); + WARN_ON(i && (i != (dma_buffers - 1)) && (len & ~PAGE_MASK)); + WARN_ON(i && (addr & ~PAGE_MASK)); if (k > 0 && - ((addrs[k - 1] & PAGE_MASK) | - ((addrs[k - 1] & ~PAGE_MASK) + 1) << PAGE_SHIFT) - == addr) { - addrs[k - 1] += (len >> PAGE_SHIFT); - } else { - addrs[k++] = addr | ((len >> PAGE_SHIFT) - 1); - } + ((addrs[k - 1] & PAGE_MASK) + + (((addrs[k - 1] & ~PAGE_MASK) + 1) << PAGE_SHIFT)) + == (addr & PAGE_MASK)) + addrs[k - 1] += ((len + PAGE_SIZE - 1) >> PAGE_SHIFT); + else + addrs[k++] = (addr & PAGE_MASK) | + (((len + PAGE_SIZE - 1) >> PAGE_SHIFT) - 1); } /* Partial cache lines (fragments) require special measures */ |
