diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:09:08 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:12:07 +0200 |
| commit | 1bd9b61222f3a81ffe770fc00b70ded6e760c42b (patch) | |
| tree | 0bf7d996cf0664796687c1be6d22958fcf6a8096 /drivers/net/sfc/base/siena_mcdi.c | |
| parent | bb4e158029645f37809fcf81a3acddd6fa11f88a (diff) | |
New upstream version 18.05
Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/sfc/base/siena_mcdi.c')
| -rw-r--r-- | drivers/net/sfc/base/siena_mcdi.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/sfc/base/siena_mcdi.c b/drivers/net/sfc/base/siena_mcdi.c index ef844591..d727c187 100644 --- a/drivers/net/sfc/base/siena_mcdi.c +++ b/drivers/net/sfc/base/siena_mcdi.c @@ -124,17 +124,21 @@ siena_mcdi_read_response( { efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip); unsigned int pdur; - unsigned int pos; + unsigned int pos = 0; efx_dword_t data; + size_t remaining = length; EFSYS_ASSERT(emip->emi_port == 1 || emip->emi_port == 2); pdur = SIENA_MCDI_PDU(emip); - for (pos = 0; pos < length; pos += sizeof (efx_dword_t)) { + while (remaining > 0) { + size_t chunk = MIN(remaining, sizeof (data)); + EFX_BAR_TBL_READD(enp, FR_CZ_MC_TREG_SMEM, pdur + ((offset + pos) >> 2), &data, B_FALSE); - memcpy((uint8_t *)bufferp + pos, &data, - MIN(sizeof (data), length - pos)); + memcpy((uint8_t *)bufferp + pos, &data, chunk); + pos += chunk; + remaining -= chunk; } } |