diff options
author | Alex Shi <alex.shi@linaro.org> | 2016-07-21 13:58:19 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2016-07-21 13:58:19 +0800 |
commit | 74b60e9f6f938d0cd4c7a71e583aee3cc6c5fbba (patch) | |
tree | 15cbca70f3f6d7e10da7d82154a78e6ca35dca8c /drivers/pinctrl/pinctrl-single.c | |
parent | f24f1475658431d60bcd4e6e5de951ba1663dd43 (diff) | |
parent | 1d508e233d21a7848cf54d7d03b40dac2d9ea873 (diff) |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.07-rt
Conflicts:
mm/swap.c
Diffstat (limited to 'drivers/pinctrl/pinctrl-single.c')
-rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 13b45f297727..f2e4232ea98d 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1273,9 +1273,9 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs, /* Parse pins in each row from LSB */ while (mask) { - bit_pos = ffs(mask); + bit_pos = __ffs(mask); pin_num_from_lsb = bit_pos / pcs->bits_per_pin; - mask_pos = ((pcs->fmask) << (bit_pos - 1)); + mask_pos = ((pcs->fmask) << bit_pos); val_pos = val & mask_pos; submask = mask & mask_pos; @@ -1576,6 +1576,9 @@ static inline void pcs_irq_set(struct pcs_soc_data *pcs_soc, else mask &= ~soc_mask; pcs->write(mask, pcswi->reg); + + /* flush posted write */ + mask = pcs->read(pcswi->reg); raw_spin_unlock(&pcs->lock); } @@ -1851,7 +1854,7 @@ static int pcs_probe(struct platform_device *pdev) ret = of_property_read_u32(np, "pinctrl-single,function-mask", &pcs->fmask); if (!ret) { - pcs->fshift = ffs(pcs->fmask) - 1; + pcs->fshift = __ffs(pcs->fmask); pcs->fmax = pcs->fmask >> pcs->fshift; } else { /* If mask property doesn't exist, function mux is invalid. */ |