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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/card/queue.c6
-rw-r--r--drivers/mmc/core/bus.c21
-rw-r--r--drivers/mmc/core/host.c2
-rw-r--r--drivers/mmc/core/sdio_bus.c15
-rw-r--r--drivers/mmc/host/mmc_spi.c6
-rw-r--r--drivers/mmc/host/pxamci.c43
-rw-r--r--drivers/mmc/host/pxamci.h14
7 files changed, 54 insertions, 53 deletions
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index b0abc7d9280..a5d0354bbbd 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -153,14 +153,14 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
blk_queue_max_hw_segments(mq->queue, bouncesz / 512);
blk_queue_max_segment_size(mq->queue, bouncesz);
- mq->sg = kmalloc(sizeof(struct scatterlist),
+ mq->sg = kzalloc(sizeof(struct scatterlist),
GFP_KERNEL);
if (!mq->sg) {
ret = -ENOMEM;
goto cleanup_queue;
}
- mq->bounce_sg = kmalloc(sizeof(struct scatterlist) *
+ mq->bounce_sg = kzalloc(sizeof(struct scatterlist) *
bouncesz / 512, GFP_KERNEL);
if (!mq->bounce_sg) {
ret = -ENOMEM;
@@ -177,7 +177,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
blk_queue_max_hw_segments(mq->queue, host->max_hw_segs);
blk_queue_max_segment_size(mq->queue, host->max_seg_size);
- mq->sg = kmalloc(sizeof(struct scatterlist) *
+ mq->sg = kzalloc(sizeof(struct scatterlist) *
host->max_phys_segs, GFP_KERNEL);
if (!mq->sg) {
ret = -ENOMEM;
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 8d6f6014870..b0c22cad942 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -58,12 +58,11 @@ static int mmc_bus_match(struct device *dev, struct device_driver *drv)
}
static int
-mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
- int buf_size)
+mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct mmc_card *card = dev_to_mmc_card(dev);
const char *type;
- int i = 0, length = 0;
+ int retval = 0;
switch (card->type) {
case MMC_TYPE_MMC:
@@ -80,20 +79,14 @@ mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
}
if (type) {
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
- "MMC_TYPE=%s", type))
- return -ENOMEM;
+ retval = add_uevent_var(env, "MMC_TYPE=%s", type);
+ if (retval)
+ return retval;
}
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
- "MMC_NAME=%s", mmc_card_name(card)))
- return -ENOMEM;
+ retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
- envp[i] = NULL;
-
- return 0;
+ return retval;
}
static int mmc_bus_probe(struct device *dev)
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 64fbc9759a3..c65d203a846 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -143,7 +143,7 @@ void mmc_remove_host(struct mmc_host *host)
device_del(&host->class_dev);
- led_trigger_unregister(host->led);
+ led_trigger_unregister_simple(host->led);
spin_lock(&mmc_host_lock);
idr_remove(&mmc_host_idr, host->index);
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 0713a8c71e5..233d0f9b3c4 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -96,30 +96,23 @@ static int sdio_bus_match(struct device *dev, struct device_driver *drv)
}
static int
-sdio_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
- int buf_size)
+sdio_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct sdio_func *func = dev_to_sdio_func(dev);
- int i = 0, length = 0;
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
+ if (add_uevent_var(env,
"SDIO_CLASS=%02X", func->class))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
+ if (add_uevent_var(env,
"SDIO_ID=%04X:%04X", func->vendor, func->device))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
+ if (add_uevent_var(env,
"MODALIAS=sdio:c%02Xv%04Xd%04X",
func->class, func->vendor, func->device))
return -ENOMEM;
- envp[i] = NULL;
-
return 0;
}
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index f30327bba6f..71b986b38c5 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -26,7 +26,7 @@
*/
#include <linux/hrtimer.h>
#include <linux/delay.h>
-#include <linux/blkdev.h>
+#include <linux/bio.h>
#include <linux/dma-mapping.h>
#include <linux/crc7.h>
#include <linux/crc-itu-t.h>
@@ -1280,8 +1280,8 @@ static int mmc_spi_probe(struct spi_device *spi)
if (!host->data)
goto fail_nobuf1;
- if (spi->master->cdev.dev->dma_mask) {
- struct device *dev = spi->master->cdev.dev;
+ if (spi->master->dev.parent->dma_mask) {
+ struct device *dev = spi->master->dev.parent;
host->dma_dev = dev;
host->ones_dma = dma_map_single(dev, ones,
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 657901eecfc..0601e01aa2c 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -23,6 +23,8 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
+#include <linux/clk.h>
+#include <linux/err.h>
#include <linux/mmc/host.h>
#include <asm/dma.h>
@@ -44,6 +46,8 @@ struct pxamci_host {
spinlock_t lock;
struct resource *res;
void __iomem *base;
+ struct clk *clk;
+ unsigned long clkrate;
int irq;
int dma;
unsigned int clkrt;
@@ -119,7 +123,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
writel(nob, host->base + MMC_NOB);
writel(data->blksz, host->base + MMC_BLKLEN);
- clks = (unsigned long long)data->timeout_ns * CLOCKRATE;
+ clks = (unsigned long long)data->timeout_ns * host->clkrate;
do_div(clks, 1000000000UL);
timeout = (unsigned int)clks + (data->timeout_clks << host->clkrt);
writel((timeout + 255) / 256, host->base + MMC_RDTO);
@@ -365,18 +369,25 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct pxamci_host *host = mmc_priv(mmc);
if (ios->clock) {
- unsigned int clk = CLOCKRATE / ios->clock;
- if (CLOCKRATE / clk > ios->clock)
+ unsigned long rate = host->clkrate;
+ unsigned int clk = rate / ios->clock;
+
+ /*
+ * clk might result in a lower divisor than we
+ * desire. check for that condition and adjust
+ * as appropriate.
+ */
+ if (rate / clk > ios->clock)
clk <<= 1;
host->clkrt = fls(clk) - 1;
- pxa_set_cken(CKEN_MMC, 1);
+ clk_enable(host->clk);
/*
* we write clkrt on the next command
*/
} else {
pxamci_stop_clock(host);
- pxa_set_cken(CKEN_MMC, 0);
+ clk_disable(host->clk);
}
if (host->power_mode != ios->power_mode) {
@@ -462,8 +473,6 @@ static int pxamci_probe(struct platform_device *pdev)
}
mmc->ops = &pxamci_ops;
- mmc->f_min = CLOCKRATE_MIN;
- mmc->f_max = CLOCKRATE_MAX;
/*
* We can do SG-DMA, but we don't because we never know how much
@@ -490,6 +499,22 @@ static int pxamci_probe(struct platform_device *pdev)
host->mmc = mmc;
host->dma = -1;
host->pdata = pdev->dev.platform_data;
+
+ host->clk = clk_get(&pdev->dev, "MMCCLK");
+ if (IS_ERR(host->clk)) {
+ ret = PTR_ERR(host->clk);
+ host->clk = NULL;
+ goto out;
+ }
+
+ host->clkrate = clk_get_rate(host->clk);
+
+ /*
+ * Calculate minimum clock rate, rounding up.
+ */
+ mmc->f_min = (host->clkrate + 63) / 64;
+ mmc->f_max = host->clkrate;
+
mmc->ocr_avail = host->pdata ?
host->pdata->ocr_mask :
MMC_VDD_32_33|MMC_VDD_33_34;
@@ -554,6 +579,8 @@ static int pxamci_probe(struct platform_device *pdev)
iounmap(host->base);
if (host->sg_cpu)
dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+ if (host->clk)
+ clk_put(host->clk);
}
if (mmc)
mmc_free_host(mmc);
@@ -588,6 +615,8 @@ static int pxamci_remove(struct platform_device *pdev)
iounmap(host->base);
dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
+ clk_put(host->clk);
+
release_resource(host->res);
mmc_free_host(mmc);
diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h
index 3153e779d46..748c7706f23 100644
--- a/drivers/mmc/host/pxamci.h
+++ b/drivers/mmc/host/pxamci.h
@@ -88,17 +88,3 @@
#define MMC_RXFIFO 0x0040 /* 8 bit */
#define MMC_TXFIFO 0x0044 /* 8 bit */
-
-/*
- * The base MMC clock rate
- */
-#ifdef CONFIG_PXA27x
-#define CLOCKRATE_MIN 304688
-#define CLOCKRATE_MAX 19500000
-#else
-#define CLOCKRATE_MIN 312500
-#define CLOCKRATE_MAX 20000000
-#endif
-
-#define CLOCKRATE CLOCKRATE_MAX
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-24 20:53:06 +0000