counter/ti-eqep: Fix regmap max_register

[ Upstream commit 271b339236e1c0e6448bc1cafeaedcb529324bf0 ]

The values given were the offset of the register after the last
register instead of the actual last register in each range. Fix
by using the correct last register of each range.

Fixes: f213729f6796 ("counter: new TI eQEP driver")
Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/20201025165122.607866-1-david@lechnology.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
index 1ff07faef27f37377800cda7e4f9baeda1fe7c0b..5d6470968d2cd0cc3d564160fd9950d74ac4d951 100644 (file)
--- a/drivers/counter/ti-eqep.c
+++ b/drivers/counter/ti-eqep.c
@@ -368,7 +368,7 @@ static const struct regmap_config ti_eqep_regmap32_config = {
        .reg_bits = 32,
        .val_bits = 32,
        .reg_stride = 4,
-       .max_register = 0x24,
+       .max_register = QUPRD,
 };
 
 static const struct regmap_config ti_eqep_regmap16_config = {
@@ -376,7 +376,7 @@ static const struct regmap_config ti_eqep_regmap16_config = {
        .reg_bits = 16,
        .val_bits = 16,
        .reg_stride = 2,
-       .max_register = 0x1e,
+       .max_register = QCPRDLAT,
 };
 
 static int ti_eqep_probe(struct platform_device *pdev)