ACPI / driver core: Store an ACPI device pointer in struct acpi_dev_node

[cascardo/linux.git] / drivers / gpio / gpio-pca953x.c

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index cdd1aa1..6e48c07 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -683,17 +683,6 @@ static int device_pca957x_init(struct pca953x_chip *chip, u32 invert)
        int ret;
        u8 val[MAX_BANK];
 
-       /* Let every port in proper state, that could save power */
-       memset(val, 0, NBANK(chip));
-       pca953x_write_regs(chip, PCA957X_PUPD, val);
-       memset(val, 0xFF, NBANK(chip));
-       pca953x_write_regs(chip, PCA957X_CFG, val);
-       memset(val, 0, NBANK(chip));
-       pca953x_write_regs(chip, PCA957X_OUT, val);
-
-       ret = pca953x_read_regs(chip, PCA957X_IN, val);
-       if (ret)
-               goto out;
        ret = pca953x_read_regs(chip, PCA957X_OUT, chip->reg_output);
        if (ret)
                goto out;