5.15-stable review patch. If anyone has any objections, please let me know.
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From: Luca Weiss luca.weiss@fairphone.com
commit e88f516ea417c71bb3702603ac6af9e95338cfa6 upstream.
Let the nvmem core know what size the SDAM is, most notably this fixes the size of /sys/bus/nvmem/devices/spmi_sdam*/nvmem being '0' and makes user space work with that file.
~ # hexdump -C -s 64 /sys/bus/nvmem/devices/spmi_sdam2/nvmem 00000040 02 01 00 00 04 00 00 00 00 00 00 00 00 00 00 00 |................| 00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00000080
Fixes: 40ce9798794f ("nvmem: add QTI SDAM driver") Cc: stable@vger.kernel.org Signed-off-by: Luca Weiss luca.weiss@fairphone.com Reviewed-by: Vladimir Zapolskiy vladimir.zapolskiy@linaro.org Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Link: https://lore.kernel.org/r/20241230141901.263976-6-srinivas.kandagatla@linaro... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/nvmem/qcom-spmi-sdam.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/nvmem/qcom-spmi-sdam.c +++ b/drivers/nvmem/qcom-spmi-sdam.c @@ -143,6 +143,7 @@ static int sdam_probe(struct platform_de sdam->sdam_config.id = NVMEM_DEVID_AUTO; sdam->sdam_config.owner = THIS_MODULE; sdam->sdam_config.stride = 1; + sdam->sdam_config.size = sdam->size; sdam->sdam_config.word_size = 1; sdam->sdam_config.reg_read = sdam_read; sdam->sdam_config.reg_write = sdam_write;