diff options
| author | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2021-05-14 20:43:43 +0000 |
|---|---|---|
| committer | Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> | 2021-05-14 20:43:43 +0000 |
| commit | 6602fc5788331bd1d75b05384b519fd21f35c742 (patch) | |
| tree | 78b27b509f488392a6c01cbe79ea6b2750c03f72 /drivers/mfd | |
| parent | d1bb99cd3c58a5569908d8302d2dc2352c9e51dd (diff) | |
| parent | b82e5721a17325739adef83a029340a63b53d4ad (diff) | |
Merge tag 'v5.4.119' into 5.4-2.3.x-imx
This is the 5.4.119 stable release
Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/stm32-timers.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mfd/stm32-timers.c b/drivers/mfd/stm32-timers.c index efcd4b980c94..1adba6a46dcb 100644 --- a/drivers/mfd/stm32-timers.c +++ b/drivers/mfd/stm32-timers.c @@ -158,13 +158,18 @@ static const struct regmap_config stm32_timers_regmap_cfg = { static void stm32_timers_get_arr_size(struct stm32_timers *ddata) { + u32 arr; + + /* Backup ARR to restore it after getting the maximum value */ + regmap_read(ddata->regmap, TIM_ARR, &arr); + /* * Only the available bits will be written so when readback * we get the maximum value of auto reload register */ regmap_write(ddata->regmap, TIM_ARR, ~0L); regmap_read(ddata->regmap, TIM_ARR, &ddata->max_arr); - regmap_write(ddata->regmap, TIM_ARR, 0x0); + regmap_write(ddata->regmap, TIM_ARR, arr); } static void stm32_timers_dma_probe(struct device *dev, |