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Mon, 11 May 2026 21:49:29 -0700 (PDT) Received: from localhost.localdomain ([2404:7c00:52:d485:aae2:91ff:fe57:5e15]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2baf1d2700dsm123919925ad.2.2026.05.11.21.49.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 21:49:29 -0700 (PDT) From: Chhabilal Dangal To: Sudip Mukherjee , Teddy Wang , Greg Kroah-Hartman Cc: linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Chhabilal Dangal Subject: [PATCH v1 1/2] staging: sm750fb: remove unused #include directives Date: Tue, 12 May 2026 10:32:31 +0545 Message-ID: <20260512044732.56417-1-yogeshdangal66@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit sm750_hw.c includes under #ifdef CONFIG_MTRR, but no mtrr_add/mtrr_del calls exist in the file; the driver uses arch_phys_wc_add/arch_phys_wc_del in sm750.c instead. sm750_hw.c, sm750_accel.c, and sm750_cursor.c all include , but none use any platform device APIs. This is a PCI driver. Remove these dead includes per the TODO item to refine the code and remove unused code. Tested by building the full kernel and module with CONFIG_FB_SM750=m on x86_64: make -j$(nproc) make M=drivers/staging/sm750fb modules Signed-off-by: Chhabilal Dangal --- drivers/staging/sm750fb/sm750_accel.c | 1 - drivers/staging/sm750fb/sm750_cursor.c | 44 -------------------------- drivers/staging/sm750fb/sm750_hw.c | 4 --- 3 files changed, 49 deletions(-) diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c index 0f94d859e91c..0100fec6533b 100644 --- a/drivers/staging/sm750fb/sm750_accel.c +++ b/drivers/staging/sm750fb/sm750_accel.c @@ -13,7 +13,6 @@ #include #include #include -#include #include "sm750.h" #include "sm750_accel.h" diff --git a/drivers/staging/sm750fb/sm750_cursor.c b/drivers/staging/sm750fb/sm750_cursor.c index 7ede144905c9..552fd30e0d38 100644 --- a/drivers/staging/sm750fb/sm750_cursor.c +++ b/drivers/staging/sm750fb/sm750_cursor.c @@ -13,7 +13,6 @@ #include #include #include -#include #include "sm750.h" #include "sm750_cursor.h" @@ -130,46 +129,3 @@ void sm750_hw_cursor_set_data(struct lynx_cursor *cursor, u16 rop, } } } - -void sm750_hw_cursor_set_data2(struct lynx_cursor *cursor, u16 rop, - const u8 *pcol, const u8 *pmsk) -{ - int i, j, count, pitch, offset; - u8 color, mask; - u16 data; - void __iomem *pbuffer, *pstart; - - /* in byte*/ - pitch = cursor->w >> 3; - - /* in byte */ - count = pitch * cursor->h; - - /* in byte */ - offset = cursor->max_w * 2 / 8; - - data = 0; - pstart = cursor->vstart; - pbuffer = pstart; - - for (i = 0; i < count; i++) { - color = *pcol++; - mask = *pmsk++; - data = 0; - - for (j = 0; j < 8; j++) { - if (mask & (1 << j)) - data |= ((color & (1 << j)) ? 1 : 2) << (j * 2); - } - iowrite16(data, pbuffer); - - /* assume pitch is 1,2,4,8,...*/ - if (!(i & (pitch - 1))) { - /* need a return */ - pstart += offset; - pbuffer = pstart; - } else { - pbuffer += sizeof(u16); - } - } -} diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c index a2798d428663..f491d3aca468 100644 --- a/drivers/staging/sm750fb/sm750_hw.c +++ b/drivers/staging/sm750fb/sm750_hw.c @@ -13,10 +13,6 @@ #include #include #include -#ifdef CONFIG_MTRR -#include -#endif -#include #include #include "sm750.h" -- 2.54.0