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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-04-25 13:58:50 +0200
committerChris Ball <chris@printf.net>2014-05-22 13:26:31 +0200
commit1650d0c71a209c7d6bdddda8a7e187c537ceb71a (patch)
treeaca71fbf4f02d1b6eacb3f6ce07d837dc2ab33ec /drivers/mmc
parentmmc: sdhci: move setting host->clock into sdhci_do_set_ios() (diff)
downloadlinux-1650d0c71a209c7d6bdddda8a7e187c537ceb71a.tar.xz
linux-1650d0c71a209c7d6bdddda8a7e187c537ceb71a.zip
mmc: sdhci: move setting mmc->actual_clock into set_clock handlers
Move the setting of mmc->actual_clock to zero into the set_clock handlers themselves. This will allow us to clean up the calling logic for the set_clock() method, and turn sdhci_set_clock() into a library function. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Markus Pargmann <mpa@pengutronix.de> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-cns3xxx.c2
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c2
-rw-r--r--drivers/mmc/host/sdhci-of-esdhc.c3
-rw-r--r--drivers/mmc/host/sdhci-s3c.c4
-rw-r--r--drivers/mmc/host/sdhci.c4
5 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index f11fb908ad78..416f4a4c2e35 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -30,6 +30,8 @@ static void sdhci_cns3xxx_set_clock(struct sdhci_host *host, unsigned int clock)
u16 clk;
unsigned long timeout;
+ host->mmc->actual_clock = 0;
+
sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
if (clock == 0)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 1e68a77c9987..ce8939ff97a4 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -600,6 +600,8 @@ static inline void esdhc_pltfm_set_clock(struct sdhci_host *host,
u32 temp, val;
if (clock == 0) {
+ host->mmc->actual_clock = 0;
+
if (esdhc_is_usdhc(imx_data)) {
val = readl(host->ioaddr + ESDHC_VENDOR_SPEC);
writel(val & ~ESDHC_VENDOR_SPEC_FRC_SDCLK_ON,
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index d814b3ecb1f7..c4f8cd3f83c8 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -199,11 +199,12 @@ static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host)
static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)
{
-
int pre_div = 2;
int div = 1;
u32 temp;
+ host->mmc->actual_clock = 0;
+
if (clock == 0)
return;
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 269c3fd8b740..9d710b748b9c 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -158,6 +158,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
int src;
u32 ctrl;
+ host->mmc->actual_clock = 0;
+
/* don't bother if the clock is going off. */
if (clock == 0)
return;
@@ -292,6 +294,8 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
unsigned long timeout;
u16 clk = 0;
+ host->mmc->actual_clock = 0;
+
/* If the clock is going off, set to 0 at clock control register */
if (clock == 0) {
sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 68269bf38e0c..d9b91fc17bb0 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1119,14 +1119,14 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
u16 clk = 0;
unsigned long timeout;
- host->mmc->actual_clock = 0;
-
if (host->ops->set_clock) {
host->ops->set_clock(host, clock);
if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK)
return;
}
+ host->mmc->actual_clock = 0;
+
sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
if (clock == 0)