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authorJaehoon Chung <jh80.chung@samsung.com>2017-06-05 07:41:32 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2017-06-29 18:14:17 +0300
commitb23475faed77f6a9016013c8db6b4707466e74a8 (patch)
treeea5ab6146410dcaa8a1ddc17fd75e18bf2d763e6 /drivers/mmc
parent58870241a67453be7dc9ab368d5a0cdc9c404616 (diff)
downloadlinux-b23475faed77f6a9016013c8db6b4707466e74a8.tar.xz
mmc: dw_mmc: change the array of slots
It doesn't need to use the array of slots anymore. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/dw_mmc.c21
-rw-r--r--drivers/mmc/host/dw_mmc.h4
2 files changed, 10 insertions, 15 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 1b415da82754..8ed3c87f6a80 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2563,8 +2563,7 @@ static void dw_mci_cmd_interrupt(struct dw_mci *host, u32 status)
static void dw_mci_handle_cd(struct dw_mci *host)
{
- int i = 0;
- struct dw_mci_slot *slot = host->slot[i];
+ struct dw_mci_slot *slot = host->slot;
if (slot->mmc->ops->card_event)
slot->mmc->ops->card_event(slot->mmc);
@@ -2576,8 +2575,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
{
struct dw_mci *host = dev_id;
u32 pending;
- int i = 0;
- struct dw_mci_slot *slot = host->slot[i];
+ struct dw_mci_slot *slot = host->slot;
pending = mci_readl(host, MINTSTS); /* read-only mask reg */
@@ -2707,7 +2705,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
slot->sdio_id = host->sdio_id0 + id;
slot->mmc = mmc;
slot->host = host;
- host->slot[id] = slot;
+ host->slot = slot;
mmc->ops = &dw_mci_ops;
if (device_property_read_u32_array(host->dev, "clock-freq-min-max",
@@ -2807,7 +2805,7 @@ static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
{
/* Debugfs stuff is cleaned up by mmc core */
mmc_remove_host(slot->mmc);
- slot->host->slot[id] = NULL;
+ slot->host->slot = NULL;
mmc_free_host(slot->mmc);
}
@@ -2998,14 +2996,13 @@ static void dw_mci_enable_cd(struct dw_mci *host)
{
unsigned long irqflags;
u32 temp;
- int i = 0;
struct dw_mci_slot *slot;
/*
* No need for CD if all slots have a non-error GPIO
* as well as broken card detection is found.
*/
- slot = host->slot[i];
+ slot = host->slot;
if (slot->mmc->caps & MMC_CAP_NEEDS_POLL)
return;
@@ -3233,8 +3230,8 @@ void dw_mci_remove(struct dw_mci *host)
int i = 0;
dev_dbg(host->dev, "remove slot %d\n", i);
- if (host->slot[i])
- dw_mci_cleanup_slot(host->slot[i], i);
+ if (host->slot)
+ dw_mci_cleanup_slot(host->slot, i);
mci_writel(host, RINTSTS, 0xFFFFFFFF);
mci_writel(host, INTMASK, 0); /* disable all mmc interrupt first */
@@ -3277,9 +3274,9 @@ EXPORT_SYMBOL(dw_mci_runtime_suspend);
int dw_mci_runtime_resume(struct device *dev)
{
- int i = 0, ret = 0;
+ int ret = 0;
struct dw_mci *host = dev_get_drvdata(dev);
- struct dw_mci_slot *slot = host->slot[i];
+ struct dw_mci_slot *slot = host->slot;
if (host->cur_slot &&
(mmc_can_gpio_cd(host->cur_slot->mmc) ||
diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
index ce347361f3dc..1ec8f4092fab 100644
--- a/drivers/mmc/host/dw_mmc.h
+++ b/drivers/mmc/host/dw_mmc.h
@@ -20,8 +20,6 @@
#include <linux/reset.h>
#include <linux/interrupt.h>
-#define MAX_MCI_SLOTS 2
-
enum dw_mci_state {
STATE_IDLE = 0,
STATE_SENDING_CMD,
@@ -215,7 +213,7 @@ struct dw_mci {
void *priv;
struct clk *biu_clk;
struct clk *ciu_clk;
- struct dw_mci_slot *slot[MAX_MCI_SLOTS];
+ struct dw_mci_slot *slot;
/* FIFO push and pull */
int fifo_depth;