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path: root/drivers/net/ethernet/freescale/fman/fman.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fman/fman.c')
-rw-r--r--drivers/net/ethernet/freescale/fman/fman.c78
1 files changed, 51 insertions, 27 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c
index 1de2e1e..dafd9e1 100644
--- a/drivers/net/ethernet/freescale/fman/fman.c
+++ b/drivers/net/ethernet/freescale/fman/fman.c
@@ -618,7 +618,7 @@ struct fman {
unsigned long cam_offset;
size_t cam_size;
/* Fifo in MURAM */
- int fifo_offset;
+ unsigned long fifo_offset;
size_t fifo_size;
u32 liodn_base[64];
@@ -2036,7 +2036,7 @@ static int fman_init(struct fman *fman)
/* allocate MURAM for FIFO according to total size */
fman->fifo_offset = fman_muram_alloc(fman->muram,
fman->state->total_fifo_size);
- if (IS_ERR_VALUE(fman->cam_offset)) {
+ if (IS_ERR_VALUE(fman->fifo_offset)) {
free_init_resources(fman);
dev_err(fman->dev, "%s: MURAM alloc for BMI FIFO failed\n",
__func__);
@@ -2115,6 +2115,7 @@ void fman_register_intr(struct fman *fman, enum fman_event_modules module,
fman->intr_mng[event].isr_cb = isr_cb;
fman->intr_mng[event].src_handle = src_arg;
}
+EXPORT_SYMBOL(fman_register_intr);
/**
* fman_unregister_intr
@@ -2138,6 +2139,7 @@ void fman_unregister_intr(struct fman *fman, enum fman_event_modules module,
fman->intr_mng[event].isr_cb = NULL;
fman->intr_mng[event].src_handle = NULL;
}
+EXPORT_SYMBOL(fman_unregister_intr);
/**
* fman_set_port_params
@@ -2241,6 +2243,7 @@ return_err:
spin_unlock_irqrestore(&fman->spinlock, flags);
return err;
}
+EXPORT_SYMBOL(fman_set_port_params);
/**
* fman_reset_mac
@@ -2310,6 +2313,7 @@ int fman_reset_mac(struct fman *fman, u8 mac_id)
return 0;
}
+EXPORT_SYMBOL(fman_reset_mac);
/**
* fman_set_mac_max_frame
@@ -2327,8 +2331,7 @@ int fman_set_mac_max_frame(struct fman *fman, u8 mac_id, u16 mfl)
* or equal to the port's max
*/
if ((!fman->state->port_mfl[mac_id]) ||
- (fman->state->port_mfl[mac_id] &&
- (mfl <= fman->state->port_mfl[mac_id]))) {
+ (mfl <= fman->state->port_mfl[mac_id])) {
fman->state->mac_mfl[mac_id] = mfl;
} else {
dev_warn(fman->dev, "%s: MAC max_frame_length is larger than Port max_frame_length\n",
@@ -2337,6 +2340,7 @@ int fman_set_mac_max_frame(struct fman *fman, u8 mac_id, u16 mfl)
}
return 0;
}
+EXPORT_SYMBOL(fman_set_mac_max_frame);
/**
* fman_get_clock_freq
@@ -2363,6 +2367,7 @@ u32 fman_get_bmi_max_fifo_size(struct fman *fman)
{
return fman->state->bmi_max_fifo_size;
}
+EXPORT_SYMBOL(fman_get_bmi_max_fifo_size);
/**
* fman_get_revision
@@ -2384,6 +2389,7 @@ void fman_get_revision(struct fman *fman, struct fman_rev_info *rev_info)
FPM_REV1_MAJOR_SHIFT);
rev_info->minor = tmp & FPM_REV1_MINOR_MASK;
}
+EXPORT_SYMBOL(fman_get_revision);
/**
* fman_get_qman_channel_id
@@ -2419,6 +2425,7 @@ u32 fman_get_qman_channel_id(struct fman *fman, u32 port_id)
return fman->state->qman_channel_base + i;
}
+EXPORT_SYMBOL(fman_get_qman_channel_id);
/**
* fman_get_mem_region
@@ -2432,6 +2439,7 @@ struct resource *fman_get_mem_region(struct fman *fman)
{
return fman->state->res;
}
+EXPORT_SYMBOL(fman_get_mem_region);
/* Bootargs defines */
/* Extra headroom for RX buffers - Default, min and max */
@@ -2453,7 +2461,7 @@ struct resource *fman_get_mem_region(struct fman *fman)
* particular forwarding scenarios that add extra headers to the
* forwarded frame.
*/
-int fsl_fm_rx_extra_headroom = FSL_FM_RX_EXTRA_HEADROOM;
+static int fsl_fm_rx_extra_headroom = FSL_FM_RX_EXTRA_HEADROOM;
module_param(fsl_fm_rx_extra_headroom, int, 0);
MODULE_PARM_DESC(fsl_fm_rx_extra_headroom, "Extra headroom for Rx buffers");
@@ -2466,7 +2474,7 @@ MODULE_PARM_DESC(fsl_fm_rx_extra_headroom, "Extra headroom for Rx buffers");
* Could be overridden once, at boot-time, via the
* fm_set_max_frm() callback.
*/
-int fsl_fm_max_frm = FSL_FM_MAX_FRAME_SIZE;
+static int fsl_fm_max_frm = FSL_FM_MAX_FRAME_SIZE;
module_param(fsl_fm_max_frm, int, 0);
MODULE_PARM_DESC(fsl_fm_max_frm, "Maximum frame size, across all interfaces");
@@ -2538,6 +2546,7 @@ struct fman *fman_bind(struct device *fm_dev)
{
return (struct fman *)(dev_get_drvdata(get_device(fm_dev)));
}
+EXPORT_SYMBOL(fman_bind);
static irqreturn_t fman_err_irq(int irq, void *handle)
{
@@ -2727,8 +2736,8 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
struct fman *fman;
struct device_node *fm_node, *muram_node;
struct resource *res;
- const u32 *u32_prop;
- int lenp, err, irq;
+ u32 val, range[2];
+ int err, irq;
struct clk *clk;
u32 clk_rate;
phys_addr_t phys_base_addr;
@@ -2740,16 +2749,13 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
fm_node = of_node_get(of_dev->dev.of_node);
- u32_prop = (const u32 *)of_get_property(fm_node, "cell-index", &lenp);
- if (!u32_prop) {
- dev_err(&of_dev->dev, "%s: of_get_property(%s, cell-index) failed\n",
+ err = of_property_read_u32(fm_node, "cell-index", &val);
+ if (err) {
+ dev_err(&of_dev->dev, "%s: failed to read cell-index for %s\n",
__func__, fm_node->full_name);
goto fman_node_put;
}
- if (WARN_ON(lenp != sizeof(u32)))
- goto fman_node_put;
-
- fman->dts_params.id = (u8)fdt32_to_cpu(u32_prop[0]);
+ fman->dts_params.id = (u8)val;
/* Get the FM interrupt */
res = platform_get_resource(of_dev, IORESOURCE_IRQ, 0);
@@ -2796,18 +2802,15 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
/* Rounding to MHz */
fman->dts_params.clk_freq = DIV_ROUND_UP(clk_rate, 1000000);
- u32_prop = (const u32 *)of_get_property(fm_node,
- "fsl,qman-channel-range",
- &lenp);
- if (!u32_prop) {
- dev_err(&of_dev->dev, "%s: of_get_property(%s, fsl,qman-channel-range) failed\n",
+ err = of_property_read_u32_array(fm_node, "fsl,qman-channel-range",
+ &range[0], 2);
+ if (err) {
+ dev_err(&of_dev->dev, "%s: failed to read fsl,qman-channel-range for %s\n",
__func__, fm_node->full_name);
goto fman_node_put;
}
- if (WARN_ON(lenp != sizeof(u32) * 2))
- goto fman_node_put;
- fman->dts_params.qman_channel_base = fdt32_to_cpu(u32_prop[0]);
- fman->dts_params.num_of_qman_channels = fdt32_to_cpu(u32_prop[1]);
+ fman->dts_params.qman_channel_base = range[0];
+ fman->dts_params.num_of_qman_channels = range[1];
/* Get the MURAM base address and size */
muram_node = of_find_matching_node(fm_node, fman_muram_match);
@@ -2858,7 +2861,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
fman->dts_params.base_addr =
devm_ioremap(&of_dev->dev, phys_base_addr, mem_size);
- if (fman->dts_params.base_addr == 0) {
+ if (!fman->dts_params.base_addr) {
dev_err(&of_dev->dev, "%s: devm_ioremap() failed\n", __func__);
goto fman_free;
}
@@ -2930,7 +2933,7 @@ static const struct of_device_id fman_match[] = {
{}
};
-MODULE_DEVICE_TABLE(of, fm_match);
+MODULE_DEVICE_TABLE(of, fman_match);
static struct platform_driver fman_driver = {
.driver = {
@@ -2940,4 +2943,25 @@ static struct platform_driver fman_driver = {
.probe = fman_probe,
};
-builtin_platform_driver(fman_driver);
+static int __init fman_load(void)
+{
+ int err;
+
+ pr_debug("FSL DPAA FMan driver\n");
+
+ err = platform_driver_register(&fman_driver);
+ if (err < 0)
+ pr_err("Error, platform_driver_register() = %d\n", err);
+
+ return err;
+}
+module_init(fman_load);
+
+static void __exit fman_unload(void)
+{
+ platform_driver_unregister(&fman_driver);
+}
+module_exit(fman_unload);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("Freescale DPAA Frame Manager driver");
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