diff options
author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2016-08-17 19:20:28 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-31 16:13:30 +0200 |
commit | 6bb5d75eac8d6a9ef85b408909d40964eda53716 (patch) | |
tree | 583567ba653b8ae9967342a1d2d9a0e055fbab32 | |
parent | a13e19cf3dc1080cf8a3a174cefd9199610faed7 (diff) | |
download | op-kernel-dev-6bb5d75eac8d6a9ef85b408909d40964eda53716.zip op-kernel-dev-6bb5d75eac8d6a9ef85b408909d40964eda53716.tar.gz |
serial: 8250_lpss: move Quark code from PCI driver
Intel Quark has DesignWare UART. Move the code from 8250_pci to 8250_lpss.
Reviewed-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/tty/serial/8250/8250_lpss.c | 11 | ||||
-rw-r--r-- | drivers/tty/serial/8250/8250_pci.c | 15 | ||||
-rw-r--r-- | drivers/tty/serial/8250/Kconfig | 1 |
3 files changed, 13 insertions, 14 deletions
diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c index 071f878..f3cf4e8 100644 --- a/drivers/tty/serial/8250/8250_lpss.c +++ b/drivers/tty/serial/8250/8250_lpss.c @@ -19,6 +19,8 @@ #include "8250.h" +#define PCI_DEVICE_ID_INTEL_QRK_UARTx 0x0936 + #define PCI_DEVICE_ID_INTEL_BYT_UART1 0x0f0a #define PCI_DEVICE_ID_INTEL_BYT_UART2 0x0f0c @@ -166,6 +168,9 @@ static int lpss8250_dma_setup(struct lpss8250 *lpss, struct uart_8250_port *port struct dw_dma_slave *rx_param, *tx_param; struct device *dev = port->port.dev; + if (!lpss->dma_param.dma_dev) + return 0; + rx_param = devm_kzalloc(dev, sizeof(*rx_param), GFP_KERNEL); if (!rx_param) return -ENOMEM; @@ -253,9 +258,15 @@ static const struct lpss8250_board byt_board = { .setup = byt_serial_setup, }; +static const struct lpss8250_board qrk_board = { + .freq = 44236800, + .base_baud = 2764800, +}; + #define LPSS_DEVICE(id, board) { PCI_VDEVICE(INTEL, id), (kernel_ulong_t)&board } static const struct pci_device_id pci_ids[] = { + LPSS_DEVICE(PCI_DEVICE_ID_INTEL_QRK_UARTx, qrk_board), LPSS_DEVICE(PCI_DEVICE_ID_INTEL_BYT_UART1, byt_board), LPSS_DEVICE(PCI_DEVICE_ID_INTEL_BYT_UART2, byt_board), LPSS_DEVICE(PCI_DEVICE_ID_INTEL_BSW_UART1, byt_board), diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index e968c70..89832c3 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1776,7 +1776,6 @@ pci_wch_ch38x_setup(struct serial_private *priv, #define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022 #define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a #define PCI_DEVICE_ID_AMCC_ADDIDATA_APCI7800 0x818e -#define PCI_DEVICE_ID_INTEL_QRK_UART 0x0936 #define PCI_VENDOR_ID_SUNIX 0x1fd4 #define PCI_DEVICE_ID_SUNIX_1999 0x1999 @@ -2755,7 +2754,6 @@ enum pci_board_num_t { pbn_ADDIDATA_PCIe_4_3906250, pbn_ADDIDATA_PCIe_8_3906250, pbn_ce4100_1_115200, - pbn_qrk, pbn_omegapci, pbn_NETMOS9900_2s_115200, pbn_brcm_trumanage, @@ -3531,12 +3529,6 @@ static struct pciserial_board pci_boards[] = { .base_baud = 921600, .reg_shift = 2, }, - [pbn_qrk] = { - .flags = FL_BASE0, - .num_ports = 1, - .base_baud = 2764800, - .reg_shift = 2, - }, [pbn_omegapci] = { .flags = FL_BASE0, .num_ports = 8, @@ -3650,6 +3642,7 @@ static const struct pci_device_id blacklist[] = { { PCI_VDEVICE(INTEL, 0x19d8), }, /* Intel platforms with DesignWare UART */ + { PCI_VDEVICE(INTEL, 0x0936), }, { PCI_VDEVICE(INTEL, 0x0f0a), }, { PCI_VDEVICE(INTEL, 0x0f0c), }, { PCI_VDEVICE(INTEL, 0x228a), }, @@ -5323,12 +5316,6 @@ static struct pci_device_id serial_pci_tbl[] = { pbn_ce4100_1_115200 }, /* - * Intel Quark x1000 - */ - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QRK_UART, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, - pbn_qrk }, - /* * Cronyx Omega PCI */ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_CRONYX_OMEGA, diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index 255a432..357f318 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -415,6 +415,7 @@ config SERIAL_8250_LPSS present on the UART found on various Intel platforms such as: - Intel Baytrail SoC - Intel Braswell SoC + - Intel Quark X1000 SoC config SERIAL_8250_MID tristate "Support for serial ports on Intel MID platforms" if EXPERT |