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GPIO fixes for the v5.3 series:

Browse Source 
all related to the PCA953x driver when handling chips with
 more than 8 ports, now that works again.
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Merge tag 'gpio-v5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "All related to the PCA953x driver when handling chips with more than 8
  ports, now that works again"

* tag 'gpio-v5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: pca953x: use pca953x_read_regs instead of regmap_bulk_read
  gpio: pca953x: correct type of reg_direction
This commit is contained in:
Linus Torvalds 2019-09-08 09:30:31 -07:00
commit def8b72f0e
1 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpio/gpio-pca953x.c
View File

@ -604,10 +604,9 @@ static void pca953x_irq_bus_sync_unlock(struct irq_data *d)
u8 new_irqs;
int level, i;
u8 invert_irq_mask[MAX_BANK];
int reg_direction[MAX_BANK];
u8 reg_direction[MAX_BANK];
regmap_bulk_read(chip->regmap, chip->regs->direction, reg_direction,
NBANK(chip));
pca953x_read_regs(chip, chip->regs->direction, reg_direction);
if (chip->driver_data & PCA_PCAL) {
/* Enable latch on interrupt-enabled inputs */
@ -679,7 +678,7 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, u8 *pending)
bool pending_seen = false;
bool trigger_seen = false;
u8 trigger[MAX_BANK];
int reg_direction[MAX_BANK];
u8 reg_direction[MAX_BANK];
int ret, i;
if (chip->driver_data & PCA_PCAL) {
@ -710,8 +709,7 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, u8 *pending)
return false;
/* Remove output pins from the equation */
regmap_bulk_read(chip->regmap, chip->regs->direction, reg_direction,
NBANK(chip));
pca953x_read_regs(chip, chip->regs->direction, reg_direction);
for (i = 0; i < NBANK(chip); i++)
cur_stat[i] &= reg_direction[i];
@ -768,7 +766,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
{
struct i2c_client *client = chip->client;
struct irq_chip *irq_chip = &chip->irq_chip;
int reg_direction[MAX_BANK];
u8 reg_direction[MAX_BANK];
int ret, i;
if (!client->irq)
@ -789,8 +787,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
* interrupt. We have to rely on the previous read for
* this purpose.
*/
regmap_bulk_read(chip->regmap, chip->regs->direction, reg_direction,
NBANK(chip));
pca953x_read_regs(chip, chip->regs->direction, reg_direction);
for (i = 0; i < NBANK(chip); i++)
chip->irq_stat[i] &= reg_direction[i];
mutex_init(&chip->irq_lock);