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media: ccs-pll: Make variables const where appropriate

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Many functions operate on data structures that are read only, both in
the implementation and by design. Mark them as const to increase
readability and avoid future mistakes.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Laurent Pinchart
2024-06-29 18:52:05 +03:00
committed by Hans Verkuil
parent c0c1a6bf80
commit f90133bd17
1 changed files with 8 additions and 8 deletions
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16
drivers/media/i2c/ccs-pll.c
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@@ -75,11 +75,11 @@ static const char *pll_string(unsigned int which)
#define PLL_FL(f) CCS_PLL_FLAG_##f
static void print_pll(struct device *dev, struct ccs_pll *pll)
static void print_pll(struct device *dev, const struct ccs_pll *pll)
{
const struct {
struct ccs_pll_branch_fr *fr;
struct ccs_pll_branch_bk *bk;
const struct ccs_pll_branch_fr *fr;
const struct ccs_pll_branch_bk *bk;
unsigned int which;
} branches[] = {
{ &pll->vt_fr, &pll->vt_bk, PLL_VT },
@@ -150,10 +150,10 @@ static u32 op_pix_ddr(u32 flags)
static int check_fr_bounds(struct device *dev,
const struct ccs_pll_limits *lim,
struct ccs_pll *pll, unsigned int which)
const struct ccs_pll *pll, unsigned int which)
{
const struct ccs_pll_branch_limits_fr *lim_fr;
struct ccs_pll_branch_fr *pll_fr;
const struct ccs_pll_branch_fr *pll_fr;
const char *s = pll_string(which);
int rval;
@@ -190,10 +190,10 @@ static int check_fr_bounds(struct device *dev,
static int check_bk_bounds(struct device *dev,
const struct ccs_pll_limits *lim,
struct ccs_pll *pll, unsigned int which)
const struct ccs_pll *pll, unsigned int which)
{
const struct ccs_pll_branch_limits_bk *lim_bk;
struct ccs_pll_branch_bk *pll_bk;
const struct ccs_pll_branch_bk *pll_bk;
const char *s = pll_string(which);
int rval;
@@ -230,7 +230,7 @@ static int check_bk_bounds(struct device *dev,
return rval;
}
static int check_ext_bounds(struct device *dev, struct ccs_pll *pll)
static int check_ext_bounds(struct device *dev, const struct ccs_pll *pll)
{
if (!(pll->flags & CCS_PLL_FLAG_FIFO_DERATING) &&
pll->pixel_rate_pixel_array > pll->pixel_rate_csi) {