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authorShawn Guo <shawn.guo@linaro.org>2013-10-17 07:19:46 (GMT)
committerChris Ball <chris@printf.net>2013-10-21 19:57:51 (GMT)
commit3770ee8f95a2aa2da66db460a10898e96eee1b13 (patch)
tree994189eaf58c00d0089ef49cd8f16cd256ad6b36
parent9d61c0092ca1abe93853d1b8dfeb5525b6cf3ddc (diff)
downloadlinux-fsl-qoriq-3770ee8f95a2aa2da66db460a10898e96eee1b13.tar.xz
mmc: sdhci-esdhc-imx: pdev->id_entry should be immutable
As a good practice, device driver should not modify pdev->id_entry but keep it immutable. Let's assign of_device_id.data with imx_esdhc_type constants directly, so that we do not have to manipulate pdev->id_entry in .probe(). As the result, sdhci-esdhc-imx53 and sdhci-usdhc-imx6q can be removed from platform_device_id table now, since they will only probe from device tree. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Dong Aisheng <b29396@freescale.com> Signed-off-by: Chris Ball <cjb@laptop.org>
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 2421ac7..83023fa 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -134,23 +134,17 @@ static struct platform_device_id imx_esdhc_devtype[] = {
.name = "sdhci-esdhc-imx51",
.driver_data = IMX51_ESDHC,
}, {
- .name = "sdhci-esdhc-imx53",
- .driver_data = IMX53_ESDHC,
- }, {
- .name = "sdhci-usdhc-imx6q",
- .driver_data = IMX6Q_USDHC,
- }, {
/* sentinel */
}
};
MODULE_DEVICE_TABLE(platform, imx_esdhc_devtype);
static const struct of_device_id imx_esdhc_dt_ids[] = {
- { .compatible = "fsl,imx25-esdhc", .data = &imx_esdhc_devtype[IMX25_ESDHC], },
- { .compatible = "fsl,imx35-esdhc", .data = &imx_esdhc_devtype[IMX35_ESDHC], },
- { .compatible = "fsl,imx51-esdhc", .data = &imx_esdhc_devtype[IMX51_ESDHC], },
- { .compatible = "fsl,imx53-esdhc", .data = &imx_esdhc_devtype[IMX53_ESDHC], },
- { .compatible = "fsl,imx6q-usdhc", .data = &imx_esdhc_devtype[IMX6Q_USDHC], },
+ { .compatible = "fsl,imx25-esdhc", .data = (void *) IMX25_ESDHC, },
+ { .compatible = "fsl,imx35-esdhc", .data = (void *) IMX35_ESDHC, },
+ { .compatible = "fsl,imx51-esdhc", .data = (void *) IMX51_ESDHC, },
+ { .compatible = "fsl,imx53-esdhc", .data = (void *) IMX53_ESDHC, },
+ { .compatible = "fsl,imx6q-usdhc", .data = (void *) IMX6Q_USDHC, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, imx_esdhc_dt_ids);
@@ -867,9 +861,8 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
goto free_sdhci;
}
- if (of_id)
- pdev->id_entry = of_id->data;
- imx_data->devtype = pdev->id_entry->driver_data;
+ imx_data->devtype = of_id ? (enum imx_esdhc_type) of_id->data :
+ pdev->id_entry->driver_data;
pltfm_host->priv = imx_data;
if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data))