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drivers: rkflash: add mutex lock for vendor ops

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Change-Id: I3787ad654cce43156328866fe2926ebd398e04d9
Signed-off-by: Dingqiang Lin <jon.lin@rock-chips.com>
This commit is contained in:
Dingqiang Lin
2018-07-10 14:39:40 +08:00
committed by Tao Huang
parent 020a3b1024
commit aa4397f316
2 changed files with 36 additions and 6 deletions
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6
drivers/rkflash/nand_boot.c
View File

@@ -35,14 +35,12 @@ unsigned int sftl_flash_get_capacity(void)
int sftl_flash_write(u32 sec, u32 n_sec, void *p_data)
{
sftl_write(sec, n_sec, p_data);
return 0;
return sftl_write(sec, n_sec, p_data);
}
int sftl_flash_read(u32 sec, u32 n_sec, void *p_data)
{
sftl_read(sec, n_sec, p_data);
return 0;
return sftl_read(sec, n_sec, p_data);
}
void sftl_flash_deinit(void)

36
drivers/rkflash/rkflash_blk.c
View File

@@ -106,6 +106,38 @@ static char *mtd_read_temp_buffer;
#define MTD_RW_SECTORS (512)
static DEFINE_MUTEX(g_flash_ops_mutex);
static int vendor_read(u32 sec, u32 n_sec, void *p_data)
{
int ret;
if (g_boot_ops[g_flash_type]->vendor_read) {
mutex_lock(&g_flash_ops_mutex);
ret = g_boot_ops[g_flash_type]->vendor_read(sec, n_sec, p_data);
mutex_unlock(&g_flash_ops_mutex);
} else {
ret = -EPERM;
}
return ret;
}
static int vendor_write(u32 sec, u32 n_sec, void *p_data)
{
int ret;
if (g_boot_ops[g_flash_type]->vendor_write) {
mutex_lock(&g_flash_ops_mutex);
ret = g_boot_ops[g_flash_type]->vendor_write(sec,
n_sec,
p_data);
mutex_unlock(&g_flash_ops_mutex);
} else {
ret = -EPERM;
}
return ret;
}
static unsigned int rk_partition_init(struct flash_part *part)
{
int i, part_num = 0;
@@ -647,8 +679,8 @@ int rkflash_dev_init(void __iomem *reg_addr, enum flash_con_type con_type)
pr_info("rkflash[%d] init success\n", tmp_id);
g_flash_type = tmp_id;
mytr.quit = 1;
flash_vendor_dev_ops_register(g_boot_ops[g_flash_type]->vendor_read,
g_boot_ops[g_flash_type]->vendor_write);
flash_vendor_dev_ops_register(&vendor_read,
&vendor_write);
#ifdef CONFIG_RK_SFC_NOR_MTD
if (g_flash_type == FLASH_TYPE_SFC_NOR) {
pr_info("sfc_nor flash registered as a mtd device\n");