diff options
Diffstat (limited to 'drivers/memory/renesas-rpc-if.c')
-rw-r--r-- | drivers/memory/renesas-rpc-if.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 019a0822bde0..4316988d791a 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -259,8 +259,7 @@ int rpcif_sw_init(struct rpcif *rpc, struct device *dev) rpc->dev = dev; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); - rpc->base = devm_ioremap_resource(&pdev->dev, res); + rpc->base = devm_platform_ioremap_resource_byname(pdev, "regs"); if (IS_ERR(rpc->base)) return PTR_ERR(rpc->base); @@ -488,7 +487,7 @@ int rpcif_manual_xfer(struct rpcif *rpc) case RPCIF_DATA_OUT: while (pos < rpc->xferlen) { u32 bytes_left = rpc->xferlen - pos; - u32 nbytes, data[2]; + u32 nbytes, data[2], *p = data; smcr = rpc->smcr | RPCIF_SMCR_SPIE; @@ -502,15 +501,9 @@ int rpcif_manual_xfer(struct rpcif *rpc) rpc->xfer_size = nbytes; memcpy(data, rpc->buffer + pos, nbytes); - if (nbytes == 8) { - regmap_write(rpc->regmap, RPCIF_SMWDR1, - data[0]); - regmap_write(rpc->regmap, RPCIF_SMWDR0, - data[1]); - } else { - regmap_write(rpc->regmap, RPCIF_SMWDR0, - data[0]); - } + if (nbytes == 8) + regmap_write(rpc->regmap, RPCIF_SMWDR1, *p++); + regmap_write(rpc->regmap, RPCIF_SMWDR0, *p); regmap_write(rpc->regmap, RPCIF_SMCR, smcr); ret = wait_msg_xfer_end(rpc); @@ -552,7 +545,7 @@ int rpcif_manual_xfer(struct rpcif *rpc) } while (pos < rpc->xferlen) { u32 bytes_left = rpc->xferlen - pos; - u32 nbytes, data[2]; + u32 nbytes, data[2], *p = data; /* nbytes may only be 1, 2, 4, or 8 */ nbytes = bytes_left >= max ? max : (1 << ilog2(bytes_left)); @@ -569,15 +562,9 @@ int rpcif_manual_xfer(struct rpcif *rpc) if (ret) goto err_out; - if (nbytes == 8) { - regmap_read(rpc->regmap, RPCIF_SMRDR1, - &data[0]); - regmap_read(rpc->regmap, RPCIF_SMRDR0, - &data[1]); - } else { - regmap_read(rpc->regmap, RPCIF_SMRDR0, - &data[0]); - } + if (nbytes == 8) + regmap_read(rpc->regmap, RPCIF_SMRDR1, p++); + regmap_read(rpc->regmap, RPCIF_SMRDR0, p); memcpy(rpc->buffer + pos, data, nbytes); pos += nbytes; |