From: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxx> commit 17d29ff98fd4b70e9ccdac5e95e18a087e2737ef upstream. For copying from __iomem, we should use __ioread32_copy. reported by sparse: sound/soc/intel/skylake/skl-debug.c:437:34: warning: incorrect type in argument 1 (different address spaces) sound/soc/intel/skylake/skl-debug.c:437:34: expected void [noderef] <asn:2> *to sound/soc/intel/skylake/skl-debug.c:437:34: got unsigned char * sound/soc/intel/skylake/skl-debug.c:437:51: warning: incorrect type in argument 2 (different address spaces) sound/soc/intel/skylake/skl-debug.c:437:51: expected void const *from sound/soc/intel/skylake/skl-debug.c:437:51: got void [noderef] <asn:2> *[assigned] fw_reg_addr Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxx> Link: https://lore.kernel.org/r/20190827141712.21015-2-amadeuszx.slawinski@xxxxxxxxxxxxxxx Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/soc/intel/skylake/skl-debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/sound/soc/intel/skylake/skl-debug.c +++ b/sound/soc/intel/skylake/skl-debug.c @@ -196,7 +196,7 @@ static ssize_t fw_softreg_read(struct fi memset(d->fw_read_buff, 0, FW_REG_BUF); if (w0_stat_sz > 0) - __iowrite32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2); + __ioread32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2); for (offset = 0; offset < FW_REG_SIZE; offset += 16) { ret += snprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
