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Subject[PATCH] video: fbdev: omap2: dss: dsi.c: Cleaning up variable that is never used
Date
Variable ar assigned a value that is never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
drivers/video/fbdev/omap2/dss/dsi.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/video/fbdev/omap2/dss/dsi.c b/drivers/video/fbdev/omap2/dss/dsi.c
index 4755a34..32d2ba6 100644
--- a/drivers/video/fbdev/omap2/dss/dsi.c
+++ b/drivers/video/fbdev/omap2/dss/dsi.c
@@ -1207,13 +1207,12 @@ static inline void dsi_enable_pll_clock(struct platform_device *dsidev,

static void _dsi_print_reset_status(struct platform_device *dsidev)
{
- u32 l;
int b0, b1, b2;

/* A dummy read using the SCP interface to any DSIPHY register is
* required after DSIPHY reset to complete the reset of the DSI complex
* I/O. */
- l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+ dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);

if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
b0 = 28;
@@ -3902,7 +3901,7 @@ static int dsi_proto_config(struct platform_device *dsidev)
static void dsi_proto_timings(struct platform_device *dsidev)
{
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
- unsigned tlpx, tclk_zero, tclk_prepare, tclk_trail;
+ unsigned tlpx, tclk_zero, tclk_prepare;
unsigned tclk_pre, tclk_post;
unsigned ths_prepare, ths_prepare_ths_zero, ths_zero;
unsigned ths_trail, ths_exit;
@@ -3921,7 +3920,7 @@ static void dsi_proto_timings(struct platform_device *dsidev)

r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
tlpx = FLD_GET(r, 20, 16) * 2;
- tclk_trail = FLD_GET(r, 15, 8);
+ FLD_GET(r, 15, 8);
tclk_zero = FLD_GET(r, 7, 0);

r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
@@ -4669,12 +4668,11 @@ static void print_dsi_dispc_vm(const char *str,
unsigned long byteclk = t->hsclk / 4;
unsigned long pck;
u64 dsi_tput;
- int dsi_hact, dsi_htot;
+ int dsi_hact;

dsi_tput = (u64)byteclk * t->ndl * 8;
pck = (u32)div64_u64(dsi_tput, t->bitspp);
dsi_hact = DIV_ROUND_UP(DIV_ROUND_UP(t->hact * t->bitspp, 8) + 6, t->ndl);
- dsi_htot = t->hss + t->hsa + t->hse + t->hbp + dsi_hact + t->hfp;

vm.pixelclock = pck;
vm.hsw = div64_u64((u64)(t->hsa + t->hse) * pck, byteclk);
--
1.7.10.4


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