Messages in this thread | | | Date | Fri, 28 Jul 2017 08:43:42 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH 1/6] dma: bcm-sba-raid: Improve memory allocation in SBA RAID driver |
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On Thu, Jul 27, 2017 at 09:42:33AM +0530, Anup Patel wrote: > On Wed, Jul 26, 2017 at 10:39 PM, Vinod Koul <vinod.koul@intel.com> wrote: > > On Wed, Jul 26, 2017 at 11:06:39AM +0530, Anup Patel wrote:
> >> drivers/dma/bcm-sba-raid.c | 439 +++++++++++++++++++++++---------------------- > >> 1 file changed, 226 insertions(+), 213 deletions(-) > >> > >> diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c > >> index e41bbc7..6d15fed 100644 > >> --- a/drivers/dma/bcm-sba-raid.c > >> +++ b/drivers/dma/bcm-sba-raid.c > >> @@ -48,7 +48,8 @@ > >> > >> #include "dmaengine.h" > >> > >> -/* SBA command related defines */ > >> +/* ====== Driver macros and defines ===== */ > > > > why this noise, seems unrelated to the change! > > This is just minor beautification. Again, I will put this > in separate patch.
Well you can't shove garlands under an unrelated change. By all means throw the whole garden out there, but please as a separate patch
> > > > >> + > >> #define SBA_TYPE_SHIFT 48 > >> #define SBA_TYPE_MASK GENMASK(1, 0) > >> #define SBA_TYPE_A 0x0 > >> @@ -82,39 +83,41 @@ > >> #define SBA_CMD_WRITE_BUFFER 0xc > >> #define SBA_CMD_GALOIS 0xe > >> > >> -/* Driver helper macros */ > >> +#define SBA_MAX_REQ_PER_MBOX_CHANNEL 8192 > >> + > >> #define to_sba_request(tx) \ > >> container_of(tx, struct sba_request, tx) > >> #define to_sba_device(dchan) \ > >> container_of(dchan, struct sba_device, dma_chan) > >> > >> -enum sba_request_state { > >> - SBA_REQUEST_STATE_FREE = 1, > >> - SBA_REQUEST_STATE_ALLOCED = 2, > >> - SBA_REQUEST_STATE_PENDING = 3, > >> - SBA_REQUEST_STATE_ACTIVE = 4, > >> - SBA_REQUEST_STATE_RECEIVED = 5, > >> - SBA_REQUEST_STATE_COMPLETED = 6, > >> - SBA_REQUEST_STATE_ABORTED = 7, > >> +/* ===== Driver data structures ===== */ > >> + > >> +enum sba_request_flags { > >> + SBA_REQUEST_STATE_FREE = 0x001, > >> + SBA_REQUEST_STATE_ALLOCED = 0x002, > >> + SBA_REQUEST_STATE_PENDING = 0x004, > >> + SBA_REQUEST_STATE_ACTIVE = 0x008, > >> + SBA_REQUEST_STATE_RECEIVED = 0x010, > >> + SBA_REQUEST_STATE_COMPLETED = 0x020, > >> + SBA_REQUEST_STATE_ABORTED = 0x040, > >> + SBA_REQUEST_STATE_MASK = 0x0ff, > >> + SBA_REQUEST_FENCE = 0x100, > > > > how does this help in mem alloctn?
??
-- ~Vinod
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