diff options
| author | Jon Cooper <jcooper@solarflare.com> | 2015-05-20 13:10:41 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-22 01:43:53 +0300 |
| commit | aa09a3da70a45a5030034b8ec8a8b945da44ebd4 (patch) | |
| tree | 2debcc7794be8ac8235692aa0746c69e73816782 /drivers/net/ethernet/sfc/mcdi.h | |
| parent | 0d5e0fbba0ced95cc642d89a95120dcc9ec5be57 (diff) | |
| download | linux-aa09a3da70a45a5030034b8ec8a8b945da44ebd4.tar.xz | |
sfc: Initialise MCDI buffers to 0 on declaration.
In order to avoid MC bugs the flags field needs to be set to 0.
Instead of explicitly clearing out the flags individually, a
better way to do this is to memset the MCDI_BUF to 0.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 5df1e986e39e..7afab2fff4fe 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -176,10 +176,12 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); * 32-bit-aligned. Also, on Siena we must copy to the MC shared * memory strictly 32 bits at a time, so add any necessary padding. */ -#define MCDI_DECLARE_BUF(_name, _len) \ +#define _MCDI_DECLARE_BUF(_name, _len) \ efx_dword_t _name[DIV_ROUND_UP(_len, 4)] -#define MCDI_DECLARE_BUF_OUT_OR_ERR(_name, _len) \ - MCDI_DECLARE_BUF(_name, max_t(size_t, _len, 8)) +#define MCDI_DECLARE_BUF(_name, _len) \ + _MCDI_DECLARE_BUF(_name, _len) = {{{0}}} +#define MCDI_DECLARE_BUF_ERR(_name) \ + MCDI_DECLARE_BUF(_name, 8) #define _MCDI_PTR(_buf, _offset) \ ((u8 *)(_buf) + (_offset)) #define MCDI_PTR(_buf, _field) \ |