gpio: pca953x: use the correct register address to do regcache sync

For regcache_sync_region, need to use pca953x_recalc_addr() to get
the real register address.

Fixes: b76574300504 ("gpio: pca953x: Restore registers after suspend/resume cycle")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 8726921..3368329 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -1108,20 +1108,21 @@ static int pca953x_regcache_sync(struct device *dev)
 {
        struct pca953x_chip *chip = dev_get_drvdata(dev);
        int ret;
+       u8 regaddr;
 
        /*
         * The ordering between direction and output is important,
         * sync these registers first and only then sync the rest.
         */
-       ret = regcache_sync_region(chip->regmap, chip->regs->direction,
-                                  chip->regs->direction + NBANK(chip));
+       regaddr = pca953x_recalc_addr(chip, chip->regs->direction, 0);
+       ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
        if (ret) {
                dev_err(dev, "Failed to sync GPIO dir registers: %d\n", ret);
                return ret;
        }
 
-       ret = regcache_sync_region(chip->regmap, chip->regs->output,
-                                  chip->regs->output + NBANK(chip));
+       regaddr = pca953x_recalc_addr(chip, chip->regs->output, 0);
+       ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
        if (ret) {
                dev_err(dev, "Failed to sync GPIO out registers: %d\n", ret);
                return ret;
@@ -1129,16 +1130,18 @@ static int pca953x_regcache_sync(struct device *dev)
 
 #ifdef CONFIG_GPIO_PCA953X_IRQ
        if (chip->driver_data & PCA_PCAL) {
-               ret = regcache_sync_region(chip->regmap, PCAL953X_IN_LATCH,
-                                          PCAL953X_IN_LATCH + NBANK(chip));
+               regaddr = pca953x_recalc_addr(chip, PCAL953X_IN_LATCH, 0);
+               ret = regcache_sync_region(chip->regmap, regaddr,
+                                          regaddr + NBANK(chip));
                if (ret) {
                        dev_err(dev, "Failed to sync INT latch registers: %d\n",
                                ret);
                        return ret;
                }
 
-               ret = regcache_sync_region(chip->regmap, PCAL953X_INT_MASK,
-                                          PCAL953X_INT_MASK + NBANK(chip));
+               regaddr = pca953x_recalc_addr(chip, PCAL953X_INT_MASK, 0);
+               ret = regcache_sync_region(chip->regmap, regaddr,
+                                          regaddr + NBANK(chip));
                if (ret) {
                        dev_err(dev, "Failed to sync INT mask registers: %d\n",
                                ret);