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| author | Noralf Trønnes <noralf@tronnes.org> | 2019-07-19 17:59:08 +0200 |
|---|---|---|
| committer | Noralf Trønnes <noralf@tronnes.org> | 2019-07-23 15:45:31 +0200 |
| commit | cfcc8fcb117091bcd95b10b6b75deed30037a1ff (patch) | |
| tree | 70956e7c9606510a5d43d29e8441cd773416d84a /drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c | |
| parent | e6652156a31498c63533a6353bcaeec8d0904d26 (diff) | |
| download | lwn-cfcc8fcb117091bcd95b10b6b75deed30037a1ff.tar.gz lwn-cfcc8fcb117091bcd95b10b6b75deed30037a1ff.zip | |
drm/tinydrm: Use spi_is_bpw_supported()
This means that tinydrm_spi_bpw_supported() can be removed.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190719155916.62465-4-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c')
| -rw-r--r-- | drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c | 32 |
1 files changed, 1 insertions, 31 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); |