diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.8/006-mmc_mvsdio_use_slot_gpio.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.8/006-mmc_mvsdio_use_slot_gpio.patch | 76 |
1 files changed, 47 insertions, 29 deletions
diff --git a/target/linux/mvebu/patches-3.8/006-mmc_mvsdio_use_slot_gpio.patch b/target/linux/mvebu/patches-3.8/006-mmc_mvsdio_use_slot_gpio.patch index 35a2d8e52..7bb8c20d5 100644 --- a/target/linux/mvebu/patches-3.8/006-mmc_mvsdio_use_slot_gpio.patch +++ b/target/linux/mvebu/patches-3.8/006-mmc_mvsdio_use_slot_gpio.patch @@ -1,3 +1,20 @@ +From patchwork Wed Jan 16 13:13:57 2013 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [2/5] mmc: mvsdio: use slot-gpio infrastructure for write protect gpio +Date: Wed, 16 Jan 2013 13:13:57 -0000 +From: Andrew Lunn <andrew@lunn.ch> +X-Patchwork-Id: 1987931 +Message-Id: <1358342040-7130-3-git-send-email-andrew@lunn.ch> +To: Jason Cooper <jason@lakedaemon.net> +Cc: linux ARM <linux-arm-kernel@lists.infradead.org>, + linux-mmc@vger.kernel.org, linux@arm.linux.org.uk, + Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, + Andrew Lunn <andrew@lunn.ch> + +From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + The MMC core subsystem provides in drivers/mmc/core/slot-gpio.c a nice set of helper functions to simplify the management of the write protect GPIO in MMC host drivers. This patch migrates the mvsdio @@ -6,9 +23,14 @@ simpler, and therefore ease the process of adding a Device Tree binding for this driver. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> +Signed-off-by: Andrew Lunn <andrew@lunn.ch> +Tested-by: Stefan Peter <s.peter@mpl.ch> +Tested-by: Florian Fainelli <florian@openwrt.org> +Signed-off-by: Jason Cooper <jason@lakedaemon.net> + --- - drivers/mmc/host/mvsdio.c | 34 +++++----------------------------- - 1 file changed, 5 insertions(+), 29 deletions(-) +drivers/mmc/host/mvsdio.c | 30 +++++------------------------- + 1 file changed, 5 insertions(+), 25 deletions(-) --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -20,15 +42,15 @@ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> #include <asm/sizes.h> #include <asm/unaligned.h> -@@ -54,7 +55,6 @@ struct mvsd_host { - int irq; +@@ -52,7 +53,6 @@ struct mvsd_host { + struct device *dev; struct clk *clk; int gpio_card_detect; - int gpio_write_protect; }; #define mvsd_write(offs, val) writel(val, iobase + (offs)) -@@ -566,20 +566,6 @@ static void mvsd_enable_sdio_irq(struct +@@ -564,20 +564,6 @@ static void mvsd_enable_sdio_irq(struct spin_unlock_irqrestore(&host->lock, flags); } @@ -49,7 +71,7 @@ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> static void mvsd_power_up(struct mvsd_host *host) { void __iomem *iobase = host->base; -@@ -676,7 +662,7 @@ static void mvsd_set_ios(struct mmc_host +@@ -674,7 +660,7 @@ static void mvsd_set_ios(struct mmc_host static const struct mmc_host_ops mvsd_ops = { .request = mvsd_request, @@ -58,15 +80,15 @@ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> .set_ios = mvsd_set_ios, .enable_sdio_irq = mvsd_enable_sdio_irq, }; -@@ -798,15 +784,7 @@ static int __init mvsd_probe(struct plat +@@ -793,15 +779,7 @@ static int __init mvsd_probe(struct plat if (!host->gpio_card_detect) mmc->caps |= MMC_CAP_NEEDS_POLL; - if (mvsd_data->gpio_write_protect) { -- ret = gpio_request(mvsd_data->gpio_write_protect, -- DRIVER_NAME " wp"); +- ret = devm_gpio_request_one(&pdev->dev, +- mvsd_data->gpio_write_protect, +- GPIOF_IN, DRIVER_NAME " wp"); - if (ret == 0) { -- gpio_direction_input(mvsd_data->gpio_write_protect); - host->gpio_write_protect = - mvsd_data->gpio_write_protect; - } @@ -75,23 +97,19 @@ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> setup_timer(&host->timer, mvsd_timeout_timer, (unsigned long)host); platform_set_drvdata(pdev, mmc); -@@ -831,8 +809,7 @@ out: - free_irq(gpio_to_irq(host->gpio_card_detect), host); - gpio_free(host->gpio_card_detect); - } -- if (host->gpio_write_protect) -- gpio_free(host->gpio_write_protect); -+ mmc_gpio_free_ro(mmc); - if (host->base) - iounmap(host->base); - } -@@ -861,8 +838,7 @@ static int __exit mvsd_remove(struct pla - } - mmc_remove_host(mmc); - free_irq(host->irq, host); -- if (host->gpio_write_protect) -- gpio_free(host->gpio_write_protect); +@@ -820,6 +798,7 @@ static int __init mvsd_probe(struct plat + + out: + if (mmc) { + mmc_gpio_free_ro(mmc); - del_timer_sync(&host->timer); - mvsd_power_down(host); - iounmap(host->base); + if (!IS_ERR(host->clk)) + clk_disable_unprepare(host->clk); + mmc_free_host(mmc); +@@ -834,6 +813,7 @@ static int __exit mvsd_remove(struct pla + + struct mvsd_host *host = mmc_priv(mmc); + ++ mmc_gpio_free_ro(mmc); + mmc_remove_host(mmc); + del_timer_sync(&host->timer); + mvsd_power_down(host); |