diff options
Diffstat (limited to 'target/linux/omap/patches-3.13/906-wlcore-sdio-get-clocks-from-device-tree.patch')
| -rw-r--r-- | target/linux/omap/patches-3.13/906-wlcore-sdio-get-clocks-from-device-tree.patch | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/target/linux/omap/patches-3.13/906-wlcore-sdio-get-clocks-from-device-tree.patch b/target/linux/omap/patches-3.13/906-wlcore-sdio-get-clocks-from-device-tree.patch deleted file mode 100644 index 63d4f9b164..0000000000 --- a/target/linux/omap/patches-3.13/906-wlcore-sdio-get-clocks-from-device-tree.patch +++ /dev/null @@ -1,94 +0,0 @@ -Read the clock nodes from the device tree and use them to set the -frequency for the refclock and the tcxo clock. - -Also, call sdio_set_drvdata() earlier, so the glue is already set in -the driver data when we call wlcore_get_pdata_from_of() and we don't -need to pass it as a parameter. - -Signed-off-by: Luciano Coelho <coelho@ti.com> -Reviewed-by: Felipe Balbi <balbi@ti.com> - ---- -drivers/net/wireless/ti/wlcore/sdio.c | 36 +++++++++++++++++++++++++++++++++-- - 1 file changed, 34 insertions(+), 2 deletions(-) - ---- a/drivers/net/wireless/ti/wlcore/sdio.c -+++ b/drivers/net/wireless/ti/wlcore/sdio.c -@@ -53,6 +53,7 @@ static bool dump = false; - struct wl12xx_sdio_glue { - struct device *dev; - struct platform_device *core; -+ struct clk *refclock, *tcxoclock; - }; - - static const struct sdio_device_id wl1271_devices[] = { -@@ -224,6 +225,7 @@ static struct wl12xx_platform_data *wlco - struct wl12xx_platform_data *pdata; - struct device_node *np = dev->of_node; - struct device_node *clock_node; -+ struct wl12xx_sdio_glue *glue = sdio_get_drvdata(dev_to_sdio_func(dev)); - - if (!np) { - np = of_find_matching_node(NULL, dev->driver->of_match_table); -@@ -250,6 +252,26 @@ static struct wl12xx_platform_data *wlco - for_each_matching_node(clock_node, wlcore_sdio_of_clk_match_table) - of_fixed_clk_setup(clock_node); - -+ /* TODO: make sure we have this when needed (ie. for WL6 and WL7) */ -+ glue->refclock = of_clk_get_by_name(np, "refclock"); -+ if (IS_ERR(glue->refclock)) { -+ dev_err(dev, "couldn't find refclock on the device tree\n"); -+ glue->refclock = NULL; -+ } else { -+ clk_prepare_enable(glue->refclock); -+ pdata->ref_clock_freq = clk_get_rate(glue->refclock); -+ } -+ -+ /* TODO: make sure we have this when needed (ie. for WL7) */ -+ glue->tcxoclock = of_clk_get_by_name(np, "tcxoclock"); -+ if (IS_ERR(glue->tcxoclock)) { -+ dev_err(dev, "couldn't find tcxoclock on the device tree\n"); -+ glue->tcxoclock = NULL; -+ } else { -+ clk_prepare_enable(glue->tcxoclock); -+ pdata->ref_clock_freq = clk_get_rate(glue->tcxoclock); -+ } -+ - goto out; - - out_free: -@@ -294,6 +316,8 @@ static int wl1271_probe(struct sdio_func - /* Use block mode for transferring over one block size of data */ - func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; - -+ sdio_set_drvdata(func, glue); -+ - /* The pdata allocated here is freed when the device is freed, - * so we don't need an additional out label to free it in case - * of error further on. -@@ -319,8 +343,6 @@ static int wl1271_probe(struct sdio_func - if (mmcflags & MMC_PM_KEEP_POWER) - pdev_data->pwr_in_suspend = true; - -- sdio_set_drvdata(func, glue); -- - /* Tell PM core that we don't need the card to be powered now */ - pm_runtime_put_noidle(&func->dev); - -@@ -387,6 +409,16 @@ static void wl1271_remove(struct sdio_fu - { - struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func); - -+ if (glue->refclock) { -+ clk_disable_unprepare(glue->refclock); -+ clk_put(glue->refclock); -+ } -+ -+ if (glue->tcxoclock) { -+ clk_disable_unprepare(glue->tcxoclock); -+ clk_put(glue->tcxoclock); -+ } -+ - /* Undo decrement done above in wl1271_probe */ - pm_runtime_get_noresume(&func->dev); - |