[PATCH v2 1/3] mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()
Shawn Guo
shawn.guo at linaro.org
Tue Jul 5 11:26:06 EDT 2011
The patch removes all the uses of cpu_is_mx(). Instead, it utilizes
platform_device_id to distinguish the esdhc differences among SoCs.
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
Cc: Wolfram Sang <w.sang at pengutronix.de>
Cc: Chris Ball <cjb at laptop.org>
---
arch/arm/mach-imx/clock-imx25.c | 4 +-
arch/arm/mach-imx/clock-imx35.c | 6 +-
arch/arm/mach-mx5/clock-mx51-mx53.c | 16 +++---
arch/arm/mach-mx5/mx51_efika.c | 4 +-
.../plat-mxc/devices/platform-sdhci-esdhc-imx.c | 17 +++---
arch/arm/plat-mxc/include/mach/devices-common.h | 1 +
drivers/mmc/host/sdhci-esdhc-imx.c | 60 ++++++++++++++++++-
7 files changed, 81 insertions(+), 27 deletions(-)
diff --git a/arch/arm/mach-imx/clock-imx25.c b/arch/arm/mach-imx/clock-imx25.c
index a65838f..2955afa 100644
--- a/arch/arm/mach-imx/clock-imx25.c
+++ b/arch/arm/mach-imx/clock-imx25.c
@@ -300,8 +300,8 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx2-wdt.0", NULL, wdt_clk)
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx25.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx25.1", NULL, esdhc2_clk)
_REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk)
_REGISTER_CLOCK(NULL, "audmux", audmux_clk)
_REGISTER_CLOCK("flexcan.0", NULL, can1_clk)
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 5a4cc1e..2f80f14 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -458,9 +458,9 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-epit.0", NULL, epit1_clk)
_REGISTER_CLOCK("imx-epit.1", NULL, epit2_clk)
_REGISTER_CLOCK(NULL, "esai", esai_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx35.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx35.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx35.2", NULL, esdhc3_clk)
_REGISTER_CLOCK("fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "gpio", gpio1_clk)
_REGISTER_CLOCK(NULL, "gpio", gpio2_clk)
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 699b0d2..fd60e2c 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1453,10 +1453,10 @@ static struct clk_lookup mx51_lookups[] = {
_REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk)
_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
_REGISTER_CLOCK("imx51-cspi.0", NULL, cspi_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.2", NULL, esdhc3_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.3", NULL, esdhc4_clk)
_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
@@ -1480,10 +1480,10 @@ static struct clk_lookup mx53_lookups[] = {
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.1", NULL, esdhc2_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.2", NULL, esdhc3_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.3", NULL, esdhc4_mx53_clk)
_REGISTER_CLOCK("imx53-ecspi.0", NULL, ecspi1_clk)
_REGISTER_CLOCK("imx53-ecspi.1", NULL, ecspi2_clk)
_REGISTER_CLOCK("imx53-cspi.0", NULL, cspi_clk)
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
index 56739c2..4435e03 100644
--- a/arch/arm/mach-mx5/mx51_efika.c
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -260,8 +260,8 @@ static struct regulator_consumer_supply vvideo_consumers[] = {
};
static struct regulator_consumer_supply vsd_consumers[] = {
- REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.0"),
- REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.1"),
+ REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.0"),
+ REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.1"),
};
static struct regulator_consumer_supply pwgt1_consumer[] = {
diff --git a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c b/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
index 79d6d71..5955f5d 100644
--- a/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
+++ b/arch/arm/plat-mxc/devices/platform-sdhci-esdhc-imx.c
@@ -10,21 +10,22 @@
#include <mach/devices-common.h>
#include <mach/esdhc.h>
-#define imx_sdhci_esdhc_imx_data_entry_single(soc, _id, hwid) \
+#define imx_sdhci_esdhc_imx_data_entry_single(soc, _devid, _id, hwid) \
{ \
+ .devid = _devid, \
.id = _id, \
.iobase = soc ## _ESDHC ## hwid ## _BASE_ADDR, \
.irq = soc ## _INT_ESDHC ## hwid, \
}
-#define imx_sdhci_esdhc_imx_data_entry(soc, id, hwid) \
- [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, id, hwid)
+#define imx_sdhci_esdhc_imx_data_entry(soc, devid, id, hwid) \
+ [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, devid, id, hwid)
#ifdef CONFIG_SOC_IMX25
const struct imx_sdhci_esdhc_imx_data
imx25_sdhci_esdhc_imx_data[] __initconst = {
#define imx25_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX25, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX25, "sdhci-esdhc-imx25", _id, _hwid)
imx25_sdhci_esdhc_imx_data_entry(0, 1),
imx25_sdhci_esdhc_imx_data_entry(1, 2),
};
@@ -34,7 +35,7 @@ imx25_sdhci_esdhc_imx_data[] __initconst = {
const struct imx_sdhci_esdhc_imx_data
imx35_sdhci_esdhc_imx_data[] __initconst = {
#define imx35_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX35, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX35, "sdhci-esdhc-imx35", _id, _hwid)
imx35_sdhci_esdhc_imx_data_entry(0, 1),
imx35_sdhci_esdhc_imx_data_entry(1, 2),
imx35_sdhci_esdhc_imx_data_entry(2, 3),
@@ -45,7 +46,7 @@ imx35_sdhci_esdhc_imx_data[] __initconst = {
const struct imx_sdhci_esdhc_imx_data
imx51_sdhci_esdhc_imx_data[] __initconst = {
#define imx51_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX51, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX51, "sdhci-esdhc-imx51", _id, _hwid)
imx51_sdhci_esdhc_imx_data_entry(0, 1),
imx51_sdhci_esdhc_imx_data_entry(1, 2),
imx51_sdhci_esdhc_imx_data_entry(2, 3),
@@ -57,7 +58,7 @@ imx51_sdhci_esdhc_imx_data[] __initconst = {
const struct imx_sdhci_esdhc_imx_data
imx53_sdhci_esdhc_imx_data[] __initconst = {
#define imx53_sdhci_esdhc_imx_data_entry(_id, _hwid) \
- imx_sdhci_esdhc_imx_data_entry(MX53, _id, _hwid)
+ imx_sdhci_esdhc_imx_data_entry(MX53, "sdhci-esdhc-imx53", _id, _hwid)
imx53_sdhci_esdhc_imx_data_entry(0, 1),
imx53_sdhci_esdhc_imx_data_entry(1, 2),
imx53_sdhci_esdhc_imx_data_entry(2, 3),
@@ -93,6 +94,6 @@ struct platform_device *__init imx_add_sdhci_esdhc_imx(
if (!pdata)
pdata = &default_esdhc_pdata;
- return imx_add_platform_device("sdhci-esdhc-imx", data->id, res,
+ return imx_add_platform_device(data->devid, data->id, res,
ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index bf93820..c9e7b66 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -276,6 +276,7 @@ struct platform_device *__init imx_add_mxc_w1(
#include <mach/esdhc.h>
struct imx_sdhci_esdhc_imx_data {
+ const char *devid;
int id;
resource_size_t iobase;
resource_size_t irq;
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 3cc6f61..1edda29 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -20,7 +20,6 @@
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/mmc/sdio.h>
-#include <mach/hardware.h>
#include <mach/esdhc.h>
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@@ -42,11 +41,57 @@
*/
#define ESDHC_FLAG_MULTIBLK_NO_INT (1 << 1)
+enum imx_esdhc_type {
+ IMX25_ESDHC,
+ IMX35_ESDHC,
+ IMX51_ESDHC,
+ IMX53_ESDHC,
+};
+
struct pltfm_imx_data {
int flags;
u32 scratchpad;
+ enum imx_esdhc_type devtype;
+};
+
+static struct platform_device_id imx_esdhc_devtype[] = {
+ {
+ .name = "sdhci-esdhc-imx25",
+ .driver_data = IMX25_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx35",
+ .driver_data = IMX35_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx51",
+ .driver_data = IMX51_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx53",
+ .driver_data = IMX53_ESDHC,
+ }, {
+ /* sentinel */
+ }
};
+static inline int is_imx25_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX25_ESDHC;
+}
+
+static inline int is_imx35_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX35_ESDHC;
+}
+
+static inline int is_imx51_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX51_ESDHC;
+}
+
+static inline int is_imx53_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX53_ESDHC;
+}
+
static unsigned int esdhc_pltfm_get_max_blk_size(struct sdhci_host *host)
{
/* Force 2048 bytes, which is the maximum supported size in SDHCI. */
@@ -55,8 +100,12 @@ static unsigned int esdhc_pltfm_get_max_blk_size(struct sdhci_host *host)
static unsigned int esdhc_pltfm_get_max_blk_count(struct sdhci_host *host)
{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct pltfm_imx_data *imx_data = pltfm_host->priv;
+
/* Fix errata ENGcm07207 which is present on i.MX25 and i.MX35 */
- return (cpu_is_mx25() || cpu_is_mx35()) ? 1 : 65535;
+ return (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data)) ?
+ 1 : 65535;
}
static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, int reg)
@@ -274,6 +323,8 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL);
if (!imx_data)
return -ENOMEM;
+
+ imx_data->devtype = pdev->id_entry->driver_data;
pltfm_host->priv = imx_data;
clk = clk_get(mmc_dev(host->mmc), NULL);
@@ -285,10 +336,10 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
clk_enable(clk);
pltfm_host->clk = clk;
- if (!cpu_is_mx25())
+ if (!is_imx25_esdhc(imx_data))
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
- if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51()))
+ if (is_imx53_esdhc(imx_data))
imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
boarddata = host->mmc->parent->platform_data;
@@ -401,6 +452,7 @@ static struct platform_driver sdhci_esdhc_imx_driver = {
.name = "sdhci-esdhc-imx",
.owner = THIS_MODULE,
},
+ .id_table = imx_esdhc_devtype,
.probe = sdhci_esdhc_imx_probe,
.remove = __devexit_p(sdhci_esdhc_imx_remove),
#ifdef CONFIG_PM
--
1.7.4.1
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