dmaengine: ti: k3-udma: Do not initialize ret in tisci channel config functions

The ret does not need to be initialized to 0 in the tisci channel config
functions.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20210113114923.9231-4-peter.ujfalusi@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 83dfa864ceac31cc54e47bf069eeb030f167d0a6..a0bf5121de9b901bbc5a37d3b26d4d2a9eb33719 100644 (file)
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -1830,7 +1830,7 @@ static int udma_tisci_m2m_channel_config(struct udma_chan *uc)
        struct udma_tchan *tchan = uc->tchan;
        struct udma_rchan *rchan = uc->rchan;
        u8 burst_size = 0;
-       int ret = 0;
+       int ret;
        u8 tpl;
 
        /* Non synchronized - mem to mem type of transfer */
@@ -1889,7 +1889,7 @@ static int bcdma_tisci_m2m_channel_config(struct udma_chan *uc)
        struct ti_sci_msg_rm_udmap_tx_ch_cfg req_tx = { 0 };
        struct udma_bchan *bchan = uc->bchan;
        u8 burst_size = 0;
-       int ret = 0;
+       int ret;
        u8 tpl;
 
        if (ud->match_data->flags & UDMA_FLAG_BURST_SIZE) {
@@ -1923,7 +1923,7 @@ static int udma_tisci_tx_channel_config(struct udma_chan *uc)
        int tc_ring = k3_ringacc_get_ring_id(tchan->tc_ring);
        struct ti_sci_msg_rm_udmap_tx_ch_cfg req_tx = { 0 };
        u32 mode, fetch_size;
-       int ret = 0;
+       int ret;
 
        if (uc->config.pkt_mode) {
                mode = TI_SCI_RM_UDMAP_CHAN_TYPE_PKT_PBRR;
@@ -1964,7 +1964,7 @@ static int bcdma_tisci_tx_channel_config(struct udma_chan *uc)
        const struct ti_sci_rm_udmap_ops *tisci_ops = tisci_rm->tisci_udmap_ops;
        struct udma_tchan *tchan = uc->tchan;
        struct ti_sci_msg_rm_udmap_tx_ch_cfg req_tx = { 0 };
-       int ret = 0;
+       int ret;
 
        req_tx.valid_params = TISCI_BCDMA_TCHAN_VALID_PARAMS;
        req_tx.nav_id = tisci_rm->tisci_dev_id;
@@ -1997,7 +1997,7 @@ static int udma_tisci_rx_channel_config(struct udma_chan *uc)
        struct ti_sci_msg_rm_udmap_rx_ch_cfg req_rx = { 0 };
        struct ti_sci_msg_rm_udmap_flow_cfg flow_req = { 0 };
        u32 mode, fetch_size;
-       int ret = 0;
+       int ret;
 
        if (uc->config.pkt_mode) {
                mode = TI_SCI_RM_UDMAP_CHAN_TYPE_PKT_PBRR;
@@ -2074,7 +2074,7 @@ static int bcdma_tisci_rx_channel_config(struct udma_chan *uc)
        const struct ti_sci_rm_udmap_ops *tisci_ops = tisci_rm->tisci_udmap_ops;
        struct udma_rchan *rchan = uc->rchan;
        struct ti_sci_msg_rm_udmap_rx_ch_cfg req_rx = { 0 };
-       int ret = 0;
+       int ret;
 
        req_rx.valid_params = TISCI_BCDMA_RCHAN_VALID_PARAMS;
        req_rx.nav_id = tisci_rm->tisci_dev_id;
@@ -2094,7 +2094,7 @@ static int pktdma_tisci_rx_channel_config(struct udma_chan *uc)
        const struct ti_sci_rm_udmap_ops *tisci_ops = tisci_rm->tisci_udmap_ops;
        struct ti_sci_msg_rm_udmap_rx_ch_cfg req_rx = { 0 };
        struct ti_sci_msg_rm_udmap_flow_cfg flow_req = { 0 };
-       int ret = 0;
+       int ret;
 
        req_rx.valid_params = TISCI_BCDMA_RCHAN_VALID_PARAMS;
        req_rx.nav_id = tisci_rm->tisci_dev_id;