[Letux-kernel] [PATCH v7 1/3] gpio: pca953x: set the PCA_PCAL flag also when matching by DT

[H. Nikolaus Schaller]

The of_device_table is missing the PCA_PCAL flag so the
pcal6524 would be operated in tca6424 compatibility mode which
does not handle the new interrupt mask registers.

Suggested-by: Andy Shevchenko <andy.shevchenko at gmail.com>
Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
---
 drivers/gpio/gpio-pca953x.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 7d37692d672e..2b667166e855 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -58,6 +58,7 @@
 #define PCA_GPIO_MASK		0x00FF
 #define PCA_INT			0x0100
 #define PCA_PCAL		0x0200
+#define PCA_LATCH_INT (PCA_PCAL | PCA_INT)
 #define PCA953X_TYPE		0x1000
 #define PCA957X_TYPE		0x2000
 #define PCA_TYPE_MASK		0xF000
@@ -946,8 +947,8 @@ static const struct of_device_id pca953x_dt_ids[] = {
 	{ .compatible = "nxp,pca9575", .data = OF_957X(16, PCA_INT), },
 	{ .compatible = "nxp,pca9698", .data = OF_953X(40, 0), },
 
-	{ .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_INT), },
-	{ .compatible = "nxp,pcal9555a", .data = OF_953X(16, PCA_INT), },
+	{ .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_LATCH_INT), },
+	{ .compatible = "nxp,pcal9555a", .data = OF_953X(16, PCA_LATCH_INT), },
 
 	{ .compatible = "maxim,max7310", .data = OF_953X( 8, 0), },
 	{ .compatible = "maxim,max7312", .data = OF_953X(16, PCA_INT), },
-- 
2.12.2