4.13-stable review patch. If anyone has any objections, please let me know.
------------------ From: Anup Patel <[email protected]> commit 6d2061b981af165d3e45462e0804b5a1f2f4c7bc upstream. The mask used in CMPL_START_ADDR_VALUE() should be 27bits instead of 26bits. This incorrect mask was causing completion writes to 40bits physical address fail. This patch fixes mask used in CMPL_START_ADDR_VALUE() macro. Fixes: dbc049eee730 ("mailbox: Add driver for Broadcom FlexRM ring manager") Signed-off-by: Anup Patel <[email protected]> Reviewed-by: Ray Jui <[email protected]> Reviewed-by: Scott Branden <[email protected]> Signed-off-by: Jassi Brar <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/mailbox/bcm-flexrm-mailbox.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/mailbox/bcm-flexrm-mailbox.c +++ b/drivers/mailbox/bcm-flexrm-mailbox.c @@ -95,7 +95,7 @@ /* Register RING_CMPL_START_ADDR fields */ #define CMPL_START_ADDR_VALUE(pa) \ - ((u32)((((u64)(pa)) >> RING_CMPL_ALIGN_ORDER) & 0x03ffffff)) + ((u32)((((u64)(pa)) >> RING_CMPL_ALIGN_ORDER) & 0x07ffffff)) /* Register RING_CONTROL fields */ #define CONTROL_MASK_DISABLE_CONTROL 12
