linux-kernel - [PATCH] comedi: remove unused dma_chain_flag

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Date:   Tue, 21 Mar 2023 08:14:10 -0400
From:   Tom Rix <trix@...hat.com>
To:     abbotti@....co.uk, hsweeten@...ionengravers.com, nathan@...nel.org,
        ndesaulniers@...gle.com
Cc:     linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] comedi: remove unused dma_chain_flag_bits function

clang with W=1 reports
drivers/comedi/drivers/cb_pcidas64.c:377:28: error: unused function
  'dma_chain_flag_bits' [-Werror,-Wunused-function]
static inline unsigned int dma_chain_flag_bits(u16 prepost_bits)
                           ^
This function is not used, so remove it.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/comedi/drivers/cb_pcidas64.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/comedi/drivers/cb_pcidas64.c b/drivers/comedi/drivers/cb_pcidas64.c
index ca6038a25f26..59390b23fa81 100644
--- a/drivers/comedi/drivers/cb_pcidas64.c
+++ b/drivers/comedi/drivers/cb_pcidas64.c
@@ -374,11 +374,6 @@ static inline u16 pipe_full_bits(u16 hw_status_bits)
 	return (hw_status_bits >> 10) & 0x3;
 };
 
-static inline unsigned int dma_chain_flag_bits(u16 prepost_bits)
-{
-	return (prepost_bits >> 6) & 0x3;
-}
-
 static inline unsigned int adc_upper_read_ptr_code(u16 prepost_bits)
 {
 	return (prepost_bits >> 12) & 0x3;
-- 
2.27.0