From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@xxxxxxxxxx> [ Upstream commit 556a0964e28c4441dcdd50fb07596fd042246bd5 ] The mailbox length is 0x1000 hence the max_register value is 0xFFC. Fixes: c6a8b171ca8e ("mailbox: qcom: Convert APCS IPC driver to use regmap") Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@xxxxxxxxxx> Signed-off-by: Jassi Brar <jaswinder.singh@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/mailbox/qcom-apcs-ipc-mailbox.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c index 5255dcb551a7..d8b4f08f613b 100644 --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c @@ -36,7 +36,7 @@ static const struct regmap_config apcs_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, - .max_register = 0x1000, + .max_register = 0xFFC, .fast_io = true, }; -- 2.20.1