[PATCH v2] ddr: altera: soc64: Integer fix overflow that caused DDR size mismatched

[Maniyam, Dinesh]

> -----Original Message-----
> From: Maniyam, Dinesh <dinesh.maniyam at intel.com>
> Sent: Friday, 13 May 2022 3:05 pm
> To: u-boot at lists.denx.de
> Cc: Lim, Elly Siew Chin <elly.siew.chin.lim at intel.com>; Chee, Tien Fong
> <tien.fong.chee at intel.com>; Hea, Kok Kiang <kok.kiang.hea at intel.com>; Gan,
> Yau Wai <yau.wai.gan at intel.com>; Kho, Sin Hui <sin.hui.kho at intel.com>;
> Lokanathan, Raaj <raaj.lokanathan at intel.com>; Maniyam, Dinesh
> <dinesh.maniyam at intel.com>
> Subject: [PATCH v2] ddr: altera: soc64: Integer fix overflow that caused DDR size
> mismatched
> 
> From: Dinesh Maniyam <dinesh.maniyam at intel.com>
> 
> Convert the constant integer to 'phys_size_t' to avoid overflow when calculating
> the SDRAM size.
> 
> Signed-off-by: Dinesh Maniyam <dinesh.maniyam at intel.com>
> 
> ---
> 
> v1->v2
> - Add space in title
> ---
>  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

I will re-submit a new version of this patch to update the copyright and alignment

Regards,
Dinesh