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path: root/drivers/mmc/host/omap_hsmmc.c
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Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c61
1 files changed, 20 insertions, 41 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index e91ee21549d0..6b7b75585926 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -31,7 +31,7 @@
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/of_device.h>
-#include <linux/omap-dma.h>
+#include <linux/omap-dmaengine.h>
#include <linux/mmc/host.h>
#include <linux/mmc/core.h>
#include <linux/mmc/mmc.h>
@@ -582,7 +582,7 @@ static void omap_hsmmc_set_clock(struct omap_hsmmc_host *host)
* - MMC/SD clock coming out of controller > 25MHz
*/
if ((mmc_slot(host).features & HSMMC_HAS_HSPE_SUPPORT) &&
- (ios->timing != MMC_TIMING_UHS_DDR50) &&
+ (ios->timing != MMC_TIMING_MMC_DDR52) &&
((OMAP_HSMMC_READ(host->base, CAPA) & HSS) == HSS)) {
regval = OMAP_HSMMC_READ(host->base, HCTL);
if (clkdiv && (clk_get_rate(host->fclk)/clkdiv) > 25000000)
@@ -602,7 +602,7 @@ static void omap_hsmmc_set_bus_width(struct omap_hsmmc_host *host)
u32 con;
con = OMAP_HSMMC_READ(host->base, CON);
- if (ios->timing == MMC_TIMING_UHS_DDR50)
+ if (ios->timing == MMC_TIMING_MMC_DDR52)
con |= DDR; /* configure in DDR mode */
else
con &= ~DDR;
@@ -920,16 +920,17 @@ omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data)
static void
omap_hsmmc_cmd_done(struct omap_hsmmc_host *host, struct mmc_command *cmd)
{
- host->cmd = NULL;
-
if (host->mrq->sbc && (host->cmd == host->mrq->sbc) &&
!host->mrq->sbc->error && !(host->flags & AUTO_CMD23)) {
+ host->cmd = NULL;
omap_hsmmc_start_dma_transfer(host);
omap_hsmmc_start_command(host, host->mrq->cmd,
host->mrq->data);
return;
}
+ host->cmd = NULL;
+
if (cmd->flags & MMC_RSP_PRESENT) {
if (cmd->flags & MMC_RSP_136) {
/* response type 2 */
@@ -1851,6 +1852,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
unsigned tx_req, rx_req;
struct pinctrl *pinctrl;
const struct omap_mmc_of_data *data;
+ void __iomem *base;
match = of_match_device(of_match_ptr(omap_mmc_of_match), &pdev->dev);
if (match) {
@@ -1881,9 +1883,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
if (res == NULL || irq < 0)
return -ENXIO;
- res = request_mem_region(res->start, resource_size(res), pdev->name);
- if (res == NULL)
- return -EBUSY;
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
ret = omap_hsmmc_gpio_init(pdata);
if (ret)
@@ -1904,7 +1906,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
host->irq = irq;
host->slot_id = 0;
host->mapbase = res->start + pdata->reg_offset;
- host->base = ioremap(host->mapbase, SZ_4K);
+ host->base = base + pdata->reg_offset;
host->power_mode = MMC_POWER_OFF;
host->next_data.cookie = 1;
host->pbias_enabled = 0;
@@ -1922,7 +1924,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
spin_lock_init(&host->irq_lock);
- host->fclk = clk_get(&pdev->dev, "fck");
+ host->fclk = devm_clk_get(&pdev->dev, "fck");
if (IS_ERR(host->fclk)) {
ret = PTR_ERR(host->fclk);
host->fclk = NULL;
@@ -1941,7 +1943,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
omap_hsmmc_context_save(host);
- host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck");
+ host->dbclk = devm_clk_get(&pdev->dev, "mmchsdb_fck");
/*
* MMC can still work without debounce clock.
*/
@@ -1949,7 +1951,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
host->dbclk = NULL;
} else if (clk_prepare_enable(host->dbclk) != 0) {
dev_warn(mmc_dev(host->mmc), "Failed to enable debounce clk\n");
- clk_put(host->dbclk);
host->dbclk = NULL;
}
@@ -2018,7 +2019,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
}
/* Request IRQ for MMC operations */
- ret = request_irq(host->irq, omap_hsmmc_irq, 0,
+ ret = devm_request_irq(&pdev->dev, host->irq, omap_hsmmc_irq, 0,
mmc_hostname(mmc), host);
if (ret) {
dev_err(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n");
@@ -2029,7 +2030,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
if (pdata->init(&pdev->dev) != 0) {
dev_err(mmc_dev(host->mmc),
"Unable to configure MMC IRQs\n");
- goto err_irq_cd_init;
+ goto err_irq;
}
}
@@ -2044,9 +2045,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
/* Request IRQ for card detect */
if ((mmc_slot(host).card_detect_irq)) {
- ret = request_threaded_irq(mmc_slot(host).card_detect_irq,
- NULL,
- omap_hsmmc_detect,
+ ret = devm_request_threaded_irq(&pdev->dev,
+ mmc_slot(host).card_detect_irq,
+ NULL, omap_hsmmc_detect,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
mmc_hostname(mmc), host);
if (ret) {
@@ -2089,15 +2090,12 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
err_slot_name:
mmc_remove_host(mmc);
- free_irq(mmc_slot(host).card_detect_irq, host);
err_irq_cd:
if (host->use_reg)
omap_hsmmc_reg_put(host);
err_reg:
if (host->pdata->cleanup)
host->pdata->cleanup(&pdev->dev);
-err_irq_cd_init:
- free_irq(host->irq, host);
err_irq:
if (host->tx_chan)
dma_release_channel(host->tx_chan);
@@ -2105,27 +2103,19 @@ err_irq:
dma_release_channel(host->rx_chan);
pm_runtime_put_sync(host->dev);
pm_runtime_disable(host->dev);
- clk_put(host->fclk);
- if (host->dbclk) {
+ if (host->dbclk)
clk_disable_unprepare(host->dbclk);
- clk_put(host->dbclk);
- }
err1:
- iounmap(host->base);
mmc_free_host(mmc);
err_alloc:
omap_hsmmc_gpio_free(pdata);
err:
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res)
- release_mem_region(res->start, resource_size(res));
return ret;
}
static int omap_hsmmc_remove(struct platform_device *pdev)
{
struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
- struct resource *res;
pm_runtime_get_sync(host->dev);
mmc_remove_host(host->mmc);
@@ -2133,9 +2123,6 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
omap_hsmmc_reg_put(host);
if (host->pdata->cleanup)
host->pdata->cleanup(&pdev->dev);
- free_irq(host->irq, host);
- if (mmc_slot(host).card_detect_irq)
- free_irq(mmc_slot(host).card_detect_irq, host);
if (host->tx_chan)
dma_release_channel(host->tx_chan);
@@ -2144,20 +2131,12 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
pm_runtime_put_sync(host->dev);
pm_runtime_disable(host->dev);
- clk_put(host->fclk);
- if (host->dbclk) {
+ if (host->dbclk)
clk_disable_unprepare(host->dbclk);
- clk_put(host->dbclk);
- }
omap_hsmmc_gpio_free(host->pdata);
- iounmap(host->base);
mmc_free_host(host->mmc);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res)
- release_mem_region(res->start, resource_size(res));
-
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.