diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2014-09-10 17:44:30 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-10 14:01:54 -0700 |
| commit | c290607e3e7b8d24eb90468180f4cf96b371d8d0 (patch) | |
| tree | 752d2e72772093ceb360ba9ae0ad2b36b4c4a4f8 | |
| parent | c0d5b8cf50c9842d0efcfb14871e58f42c6576e6 (diff) | |
cxgb4: Add warning msg when attaching to adapters which have FLASHes smaller than 2Mb
Based on original work by Casey Leedom <leedom@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.h | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 586a5f1fba0f..22d7581341a9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3897,6 +3897,10 @@ static int get_flash_params(struct adapter *adap) adap->params.sf_size = 1 << info; adap->params.sf_fw_start = t4_read_reg(adap, CIM_BOOT_CFG) & BOOTADDR_MASK; + + if (adap->params.sf_size < FLASH_MIN_SIZE) + dev_warn(adap->pdev_dev, "WARNING!!! FLASH size %#x < %#x!!!\n", + adap->params.sf_size, FLASH_MIN_SIZE); return 0; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h index 06fa583bf914..6833a7b02137 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h @@ -206,6 +206,12 @@ enum { FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC), FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS), + /* We don't support FLASH devices which can't support the full + * standard set of sections which we need for normal + * operations. + */ + FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE, + FLASH_FPGA_CFG_START_SEC = 15, FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC), |