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i2c: acpi: Use I2C_M_DMA_SAFE in acpi_gsb_i2c_[read|write]_bytes()

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The main read / write "buffer" is kzalloc()ed and as such is safe to
directly use for DMA (unlike stack mem). Add the I2C_M_DMA_SAFE flag
to the transfers using these buffers.

Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Acked-by: Mika Westerberg <westeri@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://patch.msgid.link/20260919193642.43058-1-johannes.goede@oss.qualcomm.com
This commit is contained in:
Hans de Goede 2026-09-19 21:36:41 +02:00 committed by Andi Shyti
parent fe87113a9a
commit 09753024bb
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1 changed files with 2 additions and 2 deletions
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4
drivers/i2c/i2c-core-acpi.c
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@ -609,7 +609,7 @@ static int acpi_gsb_i2c_read_bytes(struct i2c_client *client,
msgs[0].buf = &cmd;
msgs[1].addr = client->addr;
msgs[1].flags = client->flags | I2C_M_RD;
msgs[1].flags = client->flags | I2C_M_RD | I2C_M_DMA_SAFE;
msgs[1].len = data_len;
msgs[1].buf = buffer;
@ -650,7 +650,7 @@ static int acpi_gsb_i2c_write_bytes(struct i2c_client *client,
memcpy(buffer + 1, data, data_len);
msgs[0].addr = client->addr;
msgs[0].flags = client->flags;
msgs[0].flags = client->flags | I2C_M_DMA_SAFE;
msgs[0].len = data_len + 1;
msgs[0].buf = buffer;