linux-kernel - [PATCH 2/2] staging: sm750fb: fix build warning

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Message-Id: <1426771061-28103-2-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Thu, 19 Mar 2015 18:47:41 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-fbdev@...r.kernel, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 2/2] staging: sm750fb: fix build warning

after removing the 750LE related codes we started getting a build
warning about an unused function. Hence removing that function also.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/staging/sm750fb/ddk750_mode.c | 70 -----------------------------------
 1 file changed, 70 deletions(-)

diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c
index 44e346a..df4e14e 100644
--- a/drivers/staging/sm750fb/ddk750_mode.c
+++ b/drivers/staging/sm750fb/ddk750_mode.c
@@ -4,76 +4,6 @@
 #include "ddk750_mode.h"
 #include "ddk750_chip.h"
 
-/*
-	SM750LE only:
-    This function takes care extra registers and bit fields required to set
-    up a mode in SM750LE
-
-	Explanation about Display Control register:
-    HW only supports 7 predefined pixel clocks, and clock select is
-    in bit 29:27 of	Display Control register.
-*/
-static unsigned long displayControlAdjust_SM750LE(mode_parameter_t *pModeParam, unsigned long dispControl)
-{
-	unsigned long x, y;
-
-	x = pModeParam->horizontal_display_end;
-	y = pModeParam->vertical_display_end;
-
-    /* SM750LE has to set up the top-left and bottom-right
-       registers as well.
-       Note that normal SM750/SM718 only use those two register for
-       auto-centering mode.
-    */
-    POKE32(CRT_AUTO_CENTERING_TL,
-      FIELD_VALUE(0, CRT_AUTO_CENTERING_TL, TOP, 0)
-    | FIELD_VALUE(0, CRT_AUTO_CENTERING_TL, LEFT, 0));
-
-    POKE32(CRT_AUTO_CENTERING_BR,
-      FIELD_VALUE(0, CRT_AUTO_CENTERING_BR, BOTTOM, y-1)
-    | FIELD_VALUE(0, CRT_AUTO_CENTERING_BR, RIGHT, x-1));
-
-    /* Assume common fields in dispControl have been properly set before
-       calling this function.
-       This function only sets the extra fields in dispControl.
-    */
-
-	/* Clear bit 29:27 of display control register */
-    dispControl &= FIELD_CLEAR(CRT_DISPLAY_CTRL, CLK);
-
-	/* Set bit 29:27 of display control register for the right clock */
-	/* Note that SM750LE only need to supported 7 resoluitons. */
-	if ( x == 800 && y == 600 )
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL41);
-	else if (x == 1024 && y == 768)
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL65);
-	else if (x == 1152 && y == 864)
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL80);
-	else if (x == 1280 && y == 768)
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL80);
-	else if (x == 1280 && y == 720)
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL74);
-	else if (x == 1280 && y == 960)
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL108);
-	else if (x == 1280 && y == 1024)
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL108);
-	else /* default to VGA clock */
-    	dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLK, PLL25);
-
-	/* Set bit 25:24 of display controller */
-    dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CRTSELECT, CRT);
-    dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, RGBBIT, 24BIT);
-
-    /* Set bit 14 of display controller */
-    dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, CLOCK_PHASE, ACTIVE_LOW);
-
-    POKE32(CRT_DISPLAY_CTRL, dispControl);
-
-	return dispControl;
-}
-
-
-
 /* only timing related registers will be  programed */
 static int programModeRegisters(mode_parameter_t * pModeParam,pll_value_t * pll)
 {
-- 
1.8.1.2

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