[PATCH 1/3] mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()
Grant Likely
grant.likely at secretlab.ca
Mon Jul 4 02:21:48 EDT 2011
On Sun, Jul 03, 2011 at 04:30:49PM +0800, Shawn Guo wrote:
> 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>
Same comments apply to this patch as on the others. Minor
implementation detail comments that I won't bother repeating, but in
general I like the approach.
g.
> ---
> 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 | 45 ++++++++++++++++++--
> 7 files changed, 66 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..705d670 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"
> @@ -42,10 +41,42 @@
> */
> #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;
> +};
> +
> +#define IS_IMX25_ESDHC() (imx_data->devtype == IMX25_ESDHC)
> +#define IS_IMX35_ESDHC() (imx_data->devtype == IMX35_ESDHC)
> +#define IS_IMX51_ESDHC() (imx_data->devtype == IMX51_ESDHC)
> +#define IS_IMX53_ESDHC() (imx_data->devtype == IMX53_ESDHC)
> +
> +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 */
> + }
> };
> +MODULE_DEVICE_TABLE(platform, imx_esdhc_devtype);
>
> static unsigned int esdhc_pltfm_get_max_blk_size(struct sdhci_host *host)
> {
> @@ -55,8 +86,11 @@ 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() || IS_IMX35_ESDHC()) ? 1 : 65535;
> }
>
> static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, int reg)
> @@ -274,6 +308,8 @@ 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 +321,10 @@ 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())
> host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
>
> - if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51()))
> + if (IS_IMX53_ESDHC())
> imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
>
> boarddata = host->mmc->parent->platform_data;
> @@ -401,6 +437,7 @@ 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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