From: Jaehoon Chung <jh80.chung@samsung.com>
To: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>
Cc: Chris Ball <chris@printf.net>,
Seungwon Jeon <tgih.jun@samsung.com>,
Olof Johansson <olof@lixom.net>
Subject: [PATCH 2/7] mmc: dw_mmc: use the mmc_of_parse() instead of local parser
Date: Tue, 21 Jan 2014 19:16:55 +0900 [thread overview]
Message-ID: <52DE4917.6010002@samsung.com> (raw)
mmc_of_parse() have been already parsed the general capability.
Didn't need to use the local parser.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---
drivers/mmc/host/dw_mmc.c | 48 +--------------------------------------------
1 file changed, 1 insertion(+), 47 deletions(-)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 55cd110..c915293 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2046,21 +2046,6 @@ static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot)
return quirks;
}
-/* find out bus-width for a given slot */
-static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
-{
- struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
- u32 bus_wd = 1;
-
- if (!np)
- return 1;
-
- if (of_property_read_u32(np, "bus-width", &bus_wd))
- dev_err(dev, "bus-width property not found, assuming width"
- " as 1\n");
- return bus_wd;
-}
-
/* find the write protect gpio for a given slot; or -1 if none specified */
static int dw_mci_of_get_wp_gpio(struct device *dev, u8 slot)
{
@@ -2108,10 +2093,6 @@ static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot)
{
return 0;
}
-static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
-{
- return 1;
-}
static struct device_node *dw_mci_of_find_slot_node(struct device *dev, u8 slot)
{
return NULL;
@@ -2189,19 +2170,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
if (host->pdata->caps2)
mmc->caps2 = host->pdata->caps2;
- if (host->pdata->get_bus_wd)
- bus_width = host->pdata->get_bus_wd(slot->id);
- else if (host->dev->of_node)
- bus_width = dw_mci_of_get_bus_wd(host->dev, slot->id);
- else
- bus_width = 1;
-
- switch (bus_width) {
- case 8:
- mmc->caps |= MMC_CAP_8_BIT_DATA;
- case 4:
- mmc->caps |= MMC_CAP_4_BIT_DATA;
- }
+ mmc_of_parse(mmc);
if (host->pdata->blk_settings) {
mmc->max_segs = host->pdata->blk_settings->max_segs;
@@ -2399,24 +2368,9 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
return ERR_PTR(ret);
}
- if (of_find_property(np, "keep-power-in-suspend", NULL))
- pdata->pm_caps |= MMC_PM_KEEP_POWER;
-
- if (of_find_property(np, "enable-sdio-wakeup", NULL))
- pdata->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
-
if (of_find_property(np, "supports-highspeed", NULL))
pdata->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
- if (of_find_property(np, "caps2-mmc-hs200-1_8v", NULL))
- pdata->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
-
- if (of_find_property(np, "caps2-mmc-hs200-1_2v", NULL))
- pdata->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
-
- if (of_get_property(np, "cd-inverted", NULL))
- pdata->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
-
return pdata;
}
--
1.7.9.5
reply other threads:[~2014-01-21 10:16 UTC|newest]
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