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ARM: i.MX: iim: pass private data struct to imx_iim_fuse_sense 

To make all struct members available and to reduce the argument
count.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2014-05-16 09:48:06 +02:00
parent bb9e3842b2
commit d3feff68e2
1 changed files with 5 additions and 11 deletions
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16
arch/arm/mach-imx/iim.c
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@ -52,16 +52,12 @@ struct iim_priv {
struct iim_bank *bank[IIM_NUM_BANKS];
};
static int imx_iim_fuse_sense(void __iomem *reg_base, unsigned int bank,
unsigned int row)
static int imx_iim_fuse_sense(struct iim_bank *bank, unsigned int row)
{
struct iim_priv *iim = bank->iim;
void __iomem *reg_base = iim->base;
u8 err, stat;
if (bank > 7) {
printf("%s: invalid bank number\n", __func__);
return -EINVAL;
}
if (row > 255) {
printf("%s: invalid row index\n", __func__);
return -EINVAL;
@ -72,7 +68,7 @@ static int imx_iim_fuse_sense(void __iomem *reg_base, unsigned int bank,
writeb(0xfe, reg_base + IIM_ERR);
/* upper and lower address halves */
writeb((bank << 3) | (row >> 5), reg_base + IIM_UA);
writeb((bank->bank << 3) | (row >> 5), reg_base + IIM_UA);
writeb((row << 3) & 0xf8, reg_base + IIM_LA);
/* start fuse sensing */
@ -99,15 +95,13 @@ static ssize_t imx_iim_cdev_read(struct cdev *cdev, void *buf, size_t count,
{
ulong size, i;
struct iim_bank *bank = container_of(cdev, struct iim_bank, cdev);
struct iim_priv *iim = bank->iim;
size = min((loff_t)count, 32 - offset);
if (iim_sense_enable) {
for (i = 0; i < size; i++) {
int row_val;
row_val = imx_iim_fuse_sense(iim->base,
bank->bank, offset + i);
row_val = imx_iim_fuse_sense(bank, offset + i);
if (row_val < 0)
return row_val;
((u8 *)buf)[i] = (u8)row_val;