[PATCH] ddr:altera:soc64: Integer fix overflow that caused DDR size mismatched

From: Dinesh Maniyam dinesh.maniyam@intel.com

Convert the constant integer to 'phys_size_t' to avoid overflow when calculating the SDRAM size.

Signed-off-by: Chee Hong Ang chee.hong.ang@intel.com Signed-off-by: Dinesh Maniyam dinesh.maniyam@intel.com --- drivers/ddr/altera/sdram_soc64.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ddr/altera/sdram_soc64.c b/drivers/ddr/altera/sdram_soc64.c index d6baac2410..1f479c514d 100644 --- a/drivers/ddr/altera/sdram_soc64.c +++ b/drivers/ddr/altera/sdram_soc64.c @@ -239,7 +239,8 @@ phys_size_t sdram_calculate_size(struct altera_sdram_plat *plat) { u32 dramaddrw = hmc_readl(plat, DRAMADDRW);

- phys_size_t size = 1 << (DRAMADDRW_CFG_CS_ADDR_WIDTH(dramaddrw) + + phys_size_t size = (phys_size_t)1 << + (DRAMADDRW_CFG_CS_ADDR_WIDTH(dramaddrw) + DRAMADDRW_CFG_BANK_GRP_ADDR_WIDTH(dramaddrw) + DRAMADDRW_CFG_BANK_ADDR_WIDTH(dramaddrw) + DRAMADDRW_CFG_ROW_ADDR_WIDTH(dramaddrw) + -- 2.26.2