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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2021-10-25 22:56:31 +0200
committerKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-11-16 12:09:11 +0100
commitb04cc0d912eb80d3c438b11d96ca847c3e77e8ab (patch)
treecb487db4be63d5d18d0614b2142059b2b76bacbb /drivers/spi
parentmemory: renesas-rpc-if: Drop usage of RPCIF_DIRMAP_SIZE macro (diff)
downloadlinux-b04cc0d912eb80d3c438b11d96ca847c3e77e8ab.tar.xz
linux-b04cc0d912eb80d3c438b11d96ca847c3e77e8ab.zip
memory: renesas-rpc-if: Add support for RZ/G2L
SPI Multi I/O Bus Controller on RZ/G2L SoC is almost identical to the RPC-IF interface found on R-Car Gen3 SoC's. This patch adds a new compatible string for the RZ/G2L family so that the timing values on RZ/G2L can be adjusted. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20211025205631.21151-8-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-rpc-if.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-rpc-if.c b/drivers/spi/spi-rpc-if.c
index 83796a4ead34..fe82f3575df4 100644
--- a/drivers/spi/spi-rpc-if.c
+++ b/drivers/spi/spi-rpc-if.c
@@ -156,7 +156,9 @@ static int rpcif_spi_probe(struct platform_device *pdev)
ctlr->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_QUAD | SPI_RX_QUAD;
ctlr->flags = SPI_CONTROLLER_HALF_DUPLEX;
- rpcif_hw_init(rpc, false);
+ error = rpcif_hw_init(rpc, false);
+ if (error)
+ return error;
error = spi_register_controller(ctlr);
if (error) {