This means that tinydrm_spi_bpw_supported() can be removed.
Signed-off-by: Noralf Trønnes <nor...@tronnes.org>
---
.../gpu/drm/tinydrm/core/tinydrm-helpers.c | 32 +------------------
drivers/gpu/drm/tinydrm/mipi-dbi.c | 5 ++-
include/drm/tinydrm/tinydrm-helpers.h | 1 -
3 files changed, 3 insertions(+), 35 deletions(-)
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
index dfeafac4c656..aeb49cefed25 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
@@ -53,36 +53,6 @@ size_t tinydrm_spi_max_transfer_size(struct spi_device *spi,
size_t max_len)
}
EXPORT_SYMBOL(tinydrm_spi_max_transfer_size);
-/**
- * tinydrm_spi_bpw_supported - Check if bits per word is supported
- * @spi: SPI device
- * @bpw: Bits per word
- *
- * This function checks to see if the SPI master driver supports @bpw.
- *
- * Returns:
- * True if @bpw is supported, false otherwise.
- */
-bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw)
-{
- u32 bpw_mask = spi->master->bits_per_word_mask;
-
- if (bpw == 8)
- return true;
-
- if (!bpw_mask) {
- dev_warn_once(&spi->dev,
- "bits_per_word_mask not set, assume 8-bit
only\n");
- return false;
- }
-
- if (bpw_mask & SPI_BPW_MASK(bpw))
- return true;
-
- return false;
-}
-EXPORT_SYMBOL(tinydrm_spi_bpw_supported);
-
static void
tinydrm_dbg_spi_print(struct spi_device *spi, struct spi_transfer *tr,
const void *buf, int idx, bool tx)
@@ -159,7 +129,7 @@ int tinydrm_spi_transfer(struct spi_device *spi, u32
speed_hz,
pr_debug("[drm:%s] bpw=%u, max_chunk=%zu, transfers:\n",
__func__, bpw, max_chunk);
- if (bpw == 16 && !tinydrm_spi_bpw_supported(spi, 16)) {
+ if (bpw == 16 && !spi_is_bpw_supported(spi, 16)) {
tr.bits_per_word = 8;
if (tinydrm_machine_little_endian()) {
swap_buf = kmalloc(min(len, max_chunk), GFP_KERNEL);
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c
b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index 791a0b43beef..b6c46453e904 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -782,7 +782,7 @@ static int mipi_dbi_spi1_transfer(struct mipi_dbi *mipi,
int dc,
u16 *dst16;
int ret;
- if (!tinydrm_spi_bpw_supported(spi, 9))
+ if (!spi_is_bpw_supported(spi, 9))
return mipi_dbi_spi1e_transfer(mipi, dc, buf, len, bpw);
tr.speed_hz = mipi_dbi_spi_cmd_max_speed(spi, len);
@@ -1003,8 +1003,7 @@ int mipi_dbi_spi_init(struct spi_device *spi, struct
mipi_dbi *mipi,
if (dc) {
mipi->command = mipi_dbi_typec3_command;
mipi->dc = dc;
- if (tinydrm_machine_little_endian() &&
- !tinydrm_spi_bpw_supported(spi, 16))
+ if (tinydrm_machine_little_endian() &&
!spi_is_bpw_supported(spi, 16))
mipi->swap_bytes = true;
} else {
mipi->command = mipi_dbi_typec1_command;
diff --git a/include/drm/tinydrm/tinydrm-helpers.h
b/include/drm/tinydrm/tinydrm-helpers.h
index f8bcadf48cb1..146bc383297c 100644
--- a/include/drm/tinydrm/tinydrm-helpers.h
+++ b/include/drm/tinydrm/tinydrm-helpers.h
@@ -43,7 +43,6 @@ int tinydrm_display_pipe_init(struct drm_device *drm,
unsigned int rotation);
size_t tinydrm_spi_max_transfer_size(struct spi_device *spi, size_t max_len);
-bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw);
int tinydrm_spi_transfer(struct spi_device *spi, u32 speed_hz,
struct spi_transfer *header, u8 bpw, const void *buf,
size_t len);
--
2.20.1
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