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| author | Stefan Mavrodiev <stefan@olimex.com> | 2019-08-18 11:33:41 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-18 12:56:52 +0200 |
| commit | 2ac00e34acfc93af19376f83bb31db1aea1f006a (patch) | |
| tree | 1c2b359895c2de73e4c9882465e1ae353f3a88c2 /drivers/nvmem/sunxi_sid.c | |
| parent | nvmem: imx-ocotp: Add i.MX8MN support (diff) | |
| download | linux-2ac00e34acfc93af19376f83bb31db1aea1f006a.tar.xz linux-2ac00e34acfc93af19376f83bb31db1aea1f006a.zip | |
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 <stefan@olimex.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20190818093345.29647-4-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvmem/sunxi_sid.c')
| -rw-r--r-- | drivers/nvmem/sunxi_sid.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c index a079a80ddf2c..e26ef1bbf198 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 = { |