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authorFranky Lin <frankyl@broadcom.com>2015-05-20 15:09:50 +0300
committerKalle Valo <kvalo@codeaurora.org>2015-05-26 14:09:57 +0300
commitc2d4182edc0525dc912e166f4fc04cb58c5d5184 (patch)
treeecaaa115cdd12795377bfa0bb53c6338347e0fda /drivers/net/wireless/brcm80211/brcmfmac/commonring.c
parentfd5e8cb8178ac8cb549c207500006538624537d7 (diff)
downloadlinux-c2d4182edc0525dc912e166f4fc04cb58c5d5184.tar.xz
brcmfmac: remove dummy cache flush/invalidate function
brcmf_dma_flush and brcmf_dma_invalidate_cache are not necessary and have never been implemented. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/commonring.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/commonring.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/commonring.c b/drivers/net/wireless/brcm80211/brcmfmac/commonring.c
index 77656c711bed..26c65872dae3 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/commonring.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/commonring.c
@@ -22,17 +22,6 @@
#include "core.h"
#include "commonring.h"
-
-/* dma flushing needs implementation for mips and arm platforms. Should
- * be put in util. Note, this is not real flushing. It is virtual non
- * cached memory. Only write buffers should have to be drained. Though
- * this may be different depending on platform......
- * SEE ALSO msgbuf.c
- */
-#define brcmf_dma_flush(addr, len)
-#define brcmf_dma_invalidate_cache(addr, len)
-
-
void brcmf_commonring_register_cb(struct brcmf_commonring *commonring,
int (*cr_ring_bell)(void *ctx),
int (*cr_update_rptr)(void *ctx),
@@ -206,14 +195,9 @@ int brcmf_commonring_write_complete(struct brcmf_commonring *commonring)
address = commonring->buf_addr;
address += (commonring->f_ptr * commonring->item_len);
if (commonring->f_ptr > commonring->w_ptr) {
- brcmf_dma_flush(address,
- (commonring->depth - commonring->f_ptr) *
- commonring->item_len);
address = commonring->buf_addr;
commonring->f_ptr = 0;
}
- brcmf_dma_flush(address, (commonring->w_ptr - commonring->f_ptr) *
- commonring->item_len);
commonring->f_ptr = commonring->w_ptr;
@@ -258,8 +242,6 @@ void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring,
if (commonring->r_ptr == commonring->depth)
commonring->r_ptr = 0;
- brcmf_dma_invalidate_cache(ret_addr, *n_ items * commonring->item_len);
-
return ret_addr;
}