[PATCH net-next 03/14] net: stmmac: remove .get_tx_owner()

[Russell King (Oracle)]

No code calls stmmac_get_tx_owner(). Remove the macro, its associated
function pointer, and all implementations.

Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c   | 6 ------
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c | 6 ------
 drivers/net/ethernet/stmicro/stmmac/enh_desc.c       | 6 ------
 drivers/net/ethernet/stmicro/stmmac/hwif.h           | 3 ---
 drivers/net/ethernet/stmicro/stmmac/norm_desc.c      | 6 ------
 5 files changed, 27 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
index e226dc6a1b17..b8fe4ad883e5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
@@ -176,11 +176,6 @@ static int dwmac4_rd_get_tx_len(struct dma_desc *p)
 	return (le32_to_cpu(p->des2) & TDES2_BUFFER1_SIZE_MASK);
 }
 
-static int dwmac4_get_tx_owner(struct dma_desc *p)
-{
-	return (le32_to_cpu(p->des3) & TDES3_OWN) >> TDES3_OWN_SHIFT;
-}
-
 static void dwmac4_set_tx_owner(struct dma_desc *p)
 {
 	p->des3 |= cpu_to_le32(TDES3_OWN);
@@ -552,7 +547,6 @@ const struct stmmac_desc_ops dwmac4_desc_ops = {
 	.tx_status = dwmac4_wrback_get_tx_status,
 	.rx_status = dwmac4_wrback_get_rx_status,
 	.get_tx_len = dwmac4_rd_get_tx_len,
-	.get_tx_owner = dwmac4_get_tx_owner,
 	.set_tx_owner = dwmac4_set_tx_owner,
 	.set_rx_owner = dwmac4_set_rx_owner,
 	.get_tx_ls = dwmac4_get_tx_ls,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c
index 41e5b420a215..8bf373513930 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c
@@ -45,11 +45,6 @@ static int dwxgmac2_get_tx_len(struct dma_desc *p)
 	return (le32_to_cpu(p->des2) & XGMAC_TDES2_B1L);
 }
 
-static int dwxgmac2_get_tx_owner(struct dma_desc *p)
-{
-	return (le32_to_cpu(p->des3) & XGMAC_TDES3_OWN) > 0;
-}
-
 static void dwxgmac2_set_tx_owner(struct dma_desc *p)
 {
 	p->des3 |= cpu_to_le32(XGMAC_TDES3_OWN);
@@ -356,7 +351,6 @@ const struct stmmac_desc_ops dwxgmac210_desc_ops = {
 	.tx_status = dwxgmac2_get_tx_status,
 	.rx_status = dwxgmac2_get_rx_status,
 	.get_tx_len = dwxgmac2_get_tx_len,
-	.get_tx_owner = dwxgmac2_get_tx_owner,
 	.set_tx_owner = dwxgmac2_set_tx_owner,
 	.set_rx_owner = dwxgmac2_set_rx_owner,
 	.get_tx_ls = dwxgmac2_get_tx_ls,
diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
index 8f6993c8bcae..77b2cb34aa0e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -277,11 +277,6 @@ static void enh_desc_init_tx_desc(struct dma_desc *p, int mode, int end)
 		enh_desc_end_tx_desc_on_ring(p, end);
 }
 
-static int enh_desc_get_tx_owner(struct dma_desc *p)
-{
-	return (le32_to_cpu(p->des0) & ETDES0_OWN) >> 31;
-}
-
 static void enh_desc_set_tx_owner(struct dma_desc *p)
 {
 	p->des0 |= cpu_to_le32(ETDES0_OWN);
@@ -448,7 +443,6 @@ const struct stmmac_desc_ops enh_desc_ops = {
 	.get_tx_len = enh_desc_get_tx_len,
 	.init_rx_desc = enh_desc_init_rx_desc,
 	.init_tx_desc = enh_desc_init_tx_desc,
-	.get_tx_owner = enh_desc_get_tx_owner,
 	.release_tx_desc = enh_desc_release_tx_desc,
 	.prepare_tx_desc = enh_desc_prepare_tx_desc,
 	.set_tx_ic = enh_desc_set_tx_ic,
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 0db96a387259..50ca8dcea2fd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -51,7 +51,6 @@ struct stmmac_desc_ops {
 			unsigned int tcppayloadlen);
 	/* Set/get the owner of the descriptor */
 	void (*set_tx_owner)(struct dma_desc *p);
-	int (*get_tx_owner)(struct dma_desc *p);
 	/* Clean the tx descriptor as soon as the tx irq is received */
 	void (*release_tx_desc)(struct dma_desc *p, int mode);
 	/* Clear interrupt on tx frame completion. When this bit is
@@ -116,8 +115,6 @@ struct stmmac_desc_ops {
 	stmmac_do_void_callback(__priv, desc, prepare_tso_tx_desc, __args)
 #define stmmac_set_tx_owner(__priv, __args...) \
 	stmmac_do_void_callback(__priv, desc, set_tx_owner, __args)
-#define stmmac_get_tx_owner(__priv, __args...) \
-	stmmac_do_callback(__priv, desc, get_tx_owner, __args)
 #define stmmac_release_tx_desc(__priv, __args...) \
 	stmmac_do_void_callback(__priv, desc, release_tx_desc, __args)
 #define stmmac_set_tx_ic(__priv, __args...) \
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
index 859cb9242a52..e9face06b950 100644
--- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
@@ -141,11 +141,6 @@ static void ndesc_init_tx_desc(struct dma_desc *p, int mode, int end)
 		ndesc_end_tx_desc_on_ring(p, end);
 }
 
-static int ndesc_get_tx_owner(struct dma_desc *p)
-{
-	return (le32_to_cpu(p->des0) & TDES0_OWN) >> 31;
-}
-
 static void ndesc_set_tx_owner(struct dma_desc *p)
 {
 	p->des0 |= cpu_to_le32(TDES0_OWN);
@@ -294,7 +289,6 @@ const struct stmmac_desc_ops ndesc_ops = {
 	.get_tx_len = ndesc_get_tx_len,
 	.init_rx_desc = ndesc_init_rx_desc,
 	.init_tx_desc = ndesc_init_tx_desc,
-	.get_tx_owner = ndesc_get_tx_owner,
 	.release_tx_desc = ndesc_release_tx_desc,
 	.prepare_tx_desc = ndesc_prepare_tx_desc,
 	.set_tx_ic = ndesc_set_tx_ic,
-- 
2.47.3