2012/4/24 Santosh Y <santoshsy@xxxxxxxxx>: > On Tue, Apr 24, 2012 at 10:26 AM, Namjae Jeon <linkinjeon@xxxxxxxxx> wrote: >> 2012/4/23 Santosh Y <santoshsy@xxxxxxxxx>: >>> From: Santosh Yaraganavi <santoshsy@xxxxxxxxx> >>> >>> UTP Transfer request list base registers UTRLBA and UTRLBAU >>> must be assigned, lower-32 and upper-32 bits of UTRLD list >>> physical base addresses respectively. >>> >>> Currently UTRLBAU is being assigned lower-32 bits of UTRLD >>> physical base address. This will cause an issue with >>> controllers that can support 64-bit addressing. >>> >>> This patch correctly assigns upper-32 bits of UTRLD physical >>> base address to UTRLBAU. >> Hi. Santosh. >> 0 : 9 bits are reserved in UTRLBA of specification. is it considered also ? >> Thanks. >> > > Hi Namjae, > > During memory allocation for UTRDL, it is made sure that the UTRDL > physical base address is aligned to 1K by checking if the address is > aligned to PAGE_SIZE. If the address is PAGE_SIZE aligned, then it is > aligned to 1K. So we don't have to worry about the first 10 bits while > assigning the base address to UTRLBA. > > -- > ~Santosh Hi. Santosh. Okay, I understand. Thanks for your reply. Reviewed-by: Namjae Jeon <linkinjeon@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
