mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-09-19 22:08:32 +00:00
84 lines
2.6 KiB
Diff
84 lines
2.6 KiB
Diff
|
From 8ffdb635b9440b1cc33e2b916709aa4bdb3bdad5 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Robert Nelson <robertcnelson@gmail.com>
|
||
|
|
Date: Tue, 1 Apr 2014 16:55:30 -0500
|
||
|
|
Subject: [PATCH 1/4] Revert "mmc: mxs: use mmc_of_parse to parse devicetree
|
||
|
|
properties"
|
||
|
|
|
||
|
|
This reverts commit d1a1dfb2f5dad3fbcea71b95791d525f4775cff5.
|
||
|
|
---
|
||
|
|
drivers/mmc/host/mxs-mmc.c | 37 ++++++++++++++++++++++++++-----------
|
||
|
|
1 file changed, 26 insertions(+), 11 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
|
||
|
|
index 073e871..13016e2 100644
|
||
|
|
--- a/drivers/mmc/host/mxs-mmc.c
|
||
|
|
+++ b/drivers/mmc/host/mxs-mmc.c
|
||
|
|
@@ -76,11 +76,7 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc)
|
||
|
|
{
|
||
|
|
struct mxs_mmc_host *host = mmc_priv(mmc);
|
||
|
|
struct mxs_ssp *ssp = &host->ssp;
|
||
|
|
- int present, ret;
|
||
|
|
-
|
||
|
|
- ret = mmc_gpio_get_cd(mmc);
|
||
|
|
- if (ret >= 0)
|
||
|
|
- return ret;
|
||
|
|
+ int present;
|
||
|
|
|
||
|
|
present = !(readl(ssp->base + HW_SSP_STATUS(ssp)) &
|
||
|
|
BM_SSP_STATUS_CARD_DETECT);
|
||
|
|
@@ -568,12 +564,15 @@ static int mxs_mmc_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
const struct of_device_id *of_id =
|
||
|
|
of_match_device(mxs_mmc_dt_ids, &pdev->dev);
|
||
|
|
+ struct device_node *np = pdev->dev.of_node;
|
||
|
|
struct mxs_mmc_host *host;
|
||
|
|
struct mmc_host *mmc;
|
||
|
|
struct resource *iores;
|
||
|
|
- int ret = 0, irq_err;
|
||
|
|
+ int ret = 0, irq_err, gpio;
|
||
|
|
struct regulator *reg_vmmc;
|
||
|
|
+ enum of_gpio_flags flags;
|
||
|
|
struct mxs_ssp *ssp;
|
||
|
|
+ u32 bus_width = 0;
|
||
|
|
|
||
|
|
iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||
|
|
irq_err = platform_get_irq(pdev, 0);
|
||
|
|
@@ -634,13 +633,29 @@ static int mxs_mmc_probe(struct platform_device *pdev)
|
||
|
|
mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
|
||
|
|
MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL;
|
||
|
|
|
||
|
|
- mmc->f_min = 400000;
|
||
|
|
- mmc->f_max = 288000000;
|
||
|
|
+ of_property_read_u32(np, "bus-width", &bus_width);
|
||
|
|
+ if (bus_width == 4)
|
||
|
|
+ mmc->caps |= MMC_CAP_4_BIT_DATA;
|
||
|
|
+ else if (bus_width == 8)
|
||
|
|
+ mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
|
||
|
|
+ if (of_property_read_bool(np, "broken-cd"))
|
||
|
|
+ mmc->caps |= MMC_CAP_NEEDS_POLL;
|
||
|
|
+ if (of_property_read_bool(np, "non-removable"))
|
||
|
|
+ mmc->caps |= MMC_CAP_NONREMOVABLE;
|
||
|
|
+ gpio = of_get_named_gpio_flags(np, "wp-gpios", 0, &flags);
|
||
|
|
+ if (gpio_is_valid(gpio)) {
|
||
|
|
+ ret = mmc_gpio_request_ro(mmc, gpio);
|
||
|
|
+ if (ret)
|
||
|
|
+ goto out_clk_disable;
|
||
|
|
+ if (!(flags & OF_GPIO_ACTIVE_LOW))
|
||
|
|
+ mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
|
||
|
|
+ }
|
||
|
|
|
||
|
|
- ret = mmc_of_parse(mmc);
|
||
|
|
- if (ret)
|
||
|
|
- goto out_clk_disable;
|
||
|
|
+ if (of_property_read_bool(np, "cd-inverted"))
|
||
|
|
+ mmc->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
|
||
|
|
|
||
|
|
+ mmc->f_min = 400000;
|
||
|
|
+ mmc->f_max = 288000000;
|
||
|
|
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
|
||
|
|
|
||
|
|
mmc->max_segs = 52;
|
||
|
|
--
|
||
|
|
1.9.1
|
||
|
|
|