mmc: sdhci_pltfm: Constify sdhci_pltfm_data
The sdhci_pltfm_data struct is never modified within the sdhci_pltfm
module. So make the pdata parameter to sdhci_pltfm_init and
sdhci_pltfm_register const. This allows drivers to declare their
sdhci_pltfm_data struct as const.
This patch also makes the sdhci_pltfm_data declarations const where
possible.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci-bcm2835.c b/drivers/mmc/host/sdhci-bcm2835.c
index 8ffea05..29e9e40 100644
--- a/drivers/mmc/host/sdhci-bcm2835.c
+++ b/drivers/mmc/host/sdhci-bcm2835.c
@@ -135,7 +135,7 @@
.get_min_clock = bcm2835_sdhci_get_min_clock,
};
-static struct sdhci_pltfm_data bcm2835_sdhci_pdata = {
+static const struct sdhci_pltfm_data bcm2835_sdhci_pdata = {
.quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION |
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
.ops = &bcm2835_sdhci_ops,
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c
index 30bfdc4..15a936a 100644
--- a/drivers/mmc/host/sdhci-cns3xxx.c
+++ b/drivers/mmc/host/sdhci-cns3xxx.c
@@ -85,7 +85,7 @@
.set_clock = sdhci_cns3xxx_set_clock,
};
-static struct sdhci_pltfm_data sdhci_cns3xxx_pdata = {
+static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = {
.ops = &sdhci_cns3xxx_ops,
.quirks = SDHCI_QUIRK_BROKEN_DMA |
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index 169fab9..b514f68 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -88,7 +88,7 @@
.read_l = sdhci_dove_readl,
};
-static struct sdhci_pltfm_data sdhci_dove_pdata = {
+static const struct sdhci_pltfm_data sdhci_dove_pdata = {
.ops = &sdhci_dove_ops,
.quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
SDHCI_QUIRK_NO_BUSY_IRQ |
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 78ac002..68c301d 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -412,7 +412,7 @@
.platform_bus_width = esdhc_pltfm_bus_width,
};
-static struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = {
+static const struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = {
.quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_NO_HISPD_BIT
| SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC
| SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index f32526d..b98b919 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -249,7 +249,7 @@
.adma_workaround = esdhci_of_adma_workaround,
};
-static struct sdhci_pltfm_data sdhci_esdhc_pdata = {
+static const struct sdhci_pltfm_data sdhci_esdhc_pdata = {
/*
* card detection could be handled via GPIO
* eSDHC cannot support End Attribute in NOP ADMA descriptor
diff --git a/drivers/mmc/host/sdhci-of-hlwd.c b/drivers/mmc/host/sdhci-of-hlwd.c
index c3d3715..7ea5c02 100644
--- a/drivers/mmc/host/sdhci-of-hlwd.c
+++ b/drivers/mmc/host/sdhci-of-hlwd.c
@@ -60,7 +60,7 @@
.write_b = sdhci_hlwd_writeb,
};
-static struct sdhci_pltfm_data sdhci_hlwd_pdata = {
+static const struct sdhci_pltfm_data sdhci_hlwd_pdata = {
.quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_32BIT_DMA_SIZE,
.ops = &sdhci_hlwd_ops,
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 9db7b12..3893fd6 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -115,7 +115,7 @@
EXPORT_SYMBOL_GPL(sdhci_get_of_property);
struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
- struct sdhci_pltfm_data *pdata)
+ const struct sdhci_pltfm_data *pdata)
{
struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host;
@@ -202,7 +202,7 @@
EXPORT_SYMBOL_GPL(sdhci_pltfm_free);
int sdhci_pltfm_register(struct platform_device *pdev,
- struct sdhci_pltfm_data *pdata)
+ const struct sdhci_pltfm_data *pdata)
{
struct sdhci_host *host;
int ret = 0;
diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index 153b6c5..a3bfc1e 100644
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -91,11 +91,11 @@
extern void sdhci_get_of_property(struct platform_device *pdev);
extern struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
- struct sdhci_pltfm_data *pdata);
+ const struct sdhci_pltfm_data *pdata);
extern void sdhci_pltfm_free(struct platform_device *pdev);
extern int sdhci_pltfm_register(struct platform_device *pdev,
- struct sdhci_pltfm_data *pdata);
+ const struct sdhci_pltfm_data *pdata);
extern int sdhci_pltfm_unregister(struct platform_device *pdev);
extern unsigned int sdhci_pltfm_clk_get_max_clock(struct sdhci_host *host);
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index c665d1d..f8ac50c 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -39,7 +39,7 @@
#define NVQUIRK_ENABLE_SDHCI_SPEC_300 BIT(2)
struct sdhci_tegra_soc_data {
- struct sdhci_pltfm_data *pdata;
+ const struct sdhci_pltfm_data *pdata;
u32 nvquirks;
};
@@ -156,7 +156,7 @@
.platform_reset_exit = tegra_sdhci_reset_exit,
};
-static struct sdhci_pltfm_data sdhci_tegra20_pdata = {
+static const struct sdhci_pltfm_data sdhci_tegra20_pdata = {
.quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_SINGLE_POWER_WRITE |
SDHCI_QUIRK_NO_HISPD_BIT |
@@ -170,7 +170,7 @@
NVQUIRK_ENABLE_BLOCK_GAP_DET,
};
-static struct sdhci_pltfm_data sdhci_tegra30_pdata = {
+static const struct sdhci_pltfm_data sdhci_tegra30_pdata = {
.quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
SDHCI_QUIRK_SINGLE_POWER_WRITE |
@@ -184,7 +184,7 @@
.nvquirks = NVQUIRK_ENABLE_SDHCI_SPEC_300,
};
-static struct sdhci_pltfm_data sdhci_tegra114_pdata = {
+static const struct sdhci_pltfm_data sdhci_tegra114_pdata = {
.quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
SDHCI_QUIRK_SINGLE_POWER_WRITE |