random-mirrors/smaeul-u-boot
1
0
Fork 0
mirror of https://github.com/smaeul/u-boot.git synced 2025-11-03 21:48:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

mtd: spi: renesas: Write DREAR register once

Browse Source 
Instead of writing DREAR with 0 first and then overwriting DREAR again
in case of 4 byte addressing mode, write DREAR in every case once with
the correct content right away. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut 2024-08-31 22:31:44 +02:00
parent 4ab0a58a90
commit 1cc7c7e119
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/spi/renesas_rpc_spi.c
View File

@ -277,14 +277,15 @@ static int rpc_spi_mem_exec_op(struct spi_slave *spi,
writel(RPC_DRCMR_CMD(op->cmd.opcode), priv->regs + RPC_DRCMR); writel(RPC_DRCMR_CMD(op->cmd.opcode), priv->regs + RPC_DRCMR);
smenr |= RPC_DRENR_CDE; smenr |= RPC_DRENR_CDE;
writel(0, priv->regs + RPC_DREAR);
if (op->addr.nbytes == 4) { if (op->addr.nbytes == 4) {
writel(RPC_DREAR_EAV(offset >> 25) | RPC_DREAR_EAC(1), writel(RPC_DREAR_EAV(offset >> 25) | RPC_DREAR_EAC(1),
priv->regs + RPC_DREAR); priv->regs + RPC_DREAR);
smenr |= RPC_DRENR_ADE(0xF); smenr |= RPC_DRENR_ADE(0xF);
} else if (op->addr.nbytes == 3) { } else if (op->addr.nbytes == 3) {
writel(0, priv->regs + RPC_DREAR);
smenr |= RPC_DRENR_ADE(0x7); smenr |= RPC_DRENR_ADE(0x7);
} else { } else {
writel(0, priv->regs + RPC_DREAR);
smenr |= RPC_DRENR_ADE(0); smenr |= RPC_DRENR_ADE(0);
} }