From: Stefan Mavrodiev Date: Sun, 18 Aug 2019 09:33:41 +0000 (+0100) Subject: nvmem: sunxi_sid: fix A64 SID controller support X-Git-Tag: v5.4-rc1~133^2~63 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2ac00e34acfc93af19376f83bb31db1aea1f006a;p=platform%2Fkernel%2Flinux-rpi.git nvmem: sunxi_sid: fix A64 SID controller support Like in H3, A64 SID controller doesn't return correct data when using direct access. It appears that on A64, SID needs 8 bytes of word_size. Workaround is to enable read by registers. Signed-off-by: Stefan Mavrodiev Acked-by: Chen-Yu Tsai Tested-by: Vasily Khoruzhick Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20190818093345.29647-4-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c index a079a80..e26ef1b 100644 --- a/drivers/nvmem/sunxi_sid.c +++ b/drivers/nvmem/sunxi_sid.c @@ -186,6 +186,7 @@ static const struct sunxi_sid_cfg sun8i_h3_cfg = { static const struct sunxi_sid_cfg sun50i_a64_cfg = { .value_offset = 0x200, .size = 0x100, + .need_register_readout = true, }; static const struct sunxi_sid_cfg sun50i_h6_cfg = {