dmaengine: dw-edma: remove unused readq_ch and writeq_ch functions

clang with W=1 reports
drivers/dma/dw-edma/dw-edma-v0-core.c:162:20: error:
  unused function 'writeq_ch' [-Werror,-Wunused-function]
static inline void writeq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
                   ^
drivers/dma/dw-edma/dw-edma-v0-core.c:185:19: error:
  unused function 'readq_ch' [-Werror,-Wunused-function]
static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
                  ^
These functions and their wrapping macros are not used, so remove them.

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20230320234906.1730308-1-trix@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.c b/drivers/dma/dw-edma/dw-edma-v0-core.c
index 72e79a0c0a4ebc55ac1222722f4067e72cc4c5cb..32f834a3848a15dbd909d5893d3c3a3b119bd1a2 100644 (file)
--- a/drivers/dma/dw-edma/dw-edma-v0-core.c
+++ b/drivers/dma/dw-edma/dw-edma-v0-core.c
@@ -159,62 +159,6 @@ static inline u32 readl_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
 #define GET_CH_32(dw, dir, ch, name) \
        readl_ch(dw, dir, ch, &(__dw_ch_regs(dw, dir, ch)->name))
 
-static inline void writeq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
-                            u64 value, void __iomem *addr)
-{
-       if (dw->chip->mf == EDMA_MF_EDMA_LEGACY) {
-               u32 viewport_sel;
-               unsigned long flags;
-
-               raw_spin_lock_irqsave(&dw->lock, flags);
-
-               viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
-               if (dir == EDMA_DIR_READ)
-                       viewport_sel |= BIT(31);
-
-               writel(viewport_sel,
-                      &(__dw_regs(dw)->type.legacy.viewport_sel));
-               writeq(value, addr);
-
-               raw_spin_unlock_irqrestore(&dw->lock, flags);
-       } else {
-               writeq(value, addr);
-       }
-}
-
-static inline u64 readq_ch(struct dw_edma *dw, enum dw_edma_dir dir, u16 ch,
-                          const void __iomem *addr)
-{
-       u64 value;
-
-       if (dw->chip->mf == EDMA_MF_EDMA_LEGACY) {
-               u32 viewport_sel;
-               unsigned long flags;
-
-               raw_spin_lock_irqsave(&dw->lock, flags);
-
-               viewport_sel = FIELD_PREP(EDMA_V0_VIEWPORT_MASK, ch);
-               if (dir == EDMA_DIR_READ)
-                       viewport_sel |= BIT(31);
-
-               writel(viewport_sel,
-                      &(__dw_regs(dw)->type.legacy.viewport_sel));
-               value = readq(addr);
-
-               raw_spin_unlock_irqrestore(&dw->lock, flags);
-       } else {
-               value = readq(addr);
-       }
-
-       return value;
-}
-
-#define SET_CH_64(dw, dir, ch, name, value) \
-       writeq_ch(dw, dir, ch, value, &(__dw_ch_regs(dw, dir, ch)->name))
-
-#define GET_CH_64(dw, dir, ch, name) \
-       readq_ch(dw, dir, ch, &(__dw_ch_regs(dw, dir, ch)->name))
-
 /* eDMA management callbacks */
 void dw_edma_v0_core_off(struct dw_edma *dw)
 {