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Commit c290607e authored by Hariprasad Shenai's avatar Hariprasad Shenai Committed by David S. Miller
Browse files

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: default avatarHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c0d5b8cf

drivers/net/ethernet/chelsio/cxgb4/t4_hw.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/net/ethernet/chelsio/cxgb4/t4_hw.h

+6 −0
Original line number Diff line number Diff line
@@ -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),