The following patch fixes format of some comments.
Signed-off-by: Rithvik Patibandla <rithvik...@gmail.com>
---
drivers/staging/sm750fb/ddk750_chip.c | 71 +++++++++++++++++++----------------
1 file changed, 38 insertions(+), 33 deletions(-)
diff --git a/drivers/staging/sm750fb/ddk750_chip.c
b/drivers/staging/sm750fb/ddk750_chip.c
index f80ee77..8cb5cb9 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -70,11 +70,11 @@ static void setChipClock(unsigned int frequency)
pll.inputFreq = DEFAULT_INPUT_CLOCK; /* Defined in CLOCK.H */
pll.clockType = MXCLK_PLL;
- /*
- * Call calcPllValue() to fill up the other fields for PLL
structure.
- * Sometime, the chip cannot set up the exact clock required by
User.
- * Return value from calcPllValue() gives the actual possible
clock.
- */
+ /*
+ * Call calcPllValue() to fill up the other fields for PLL structure.
+ * Sometime, the chip cannot set up the exact clock required by User.
+ * Return value from calcPllValue() gives the actual possible clock.
+ */
ulActualMxClk = calcPllValue(frequency, &pll);
/* Master Clock Control: MXCLK_PLL */
@@ -86,13 +86,15 @@ static void setMemoryClock(unsigned int frequency)
{
unsigned int reg, divisor;
- /* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set.
*/
+/* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set. */
if (getChipType() == SM750LE)
return;
if (frequency) {
- /* Set the frequency to the maximum frequency that the DDR
Memory can take
- which is 336MHz. */
+ /*
+ * Set the frequency to the maximum frequency that the DDR Memory can
+ * take which is 336MHz.
+ */
if (frequency > MHz(336))
frequency = MHz(336);
@@ -133,13 +135,15 @@ static void setMasterClock(unsigned int frequency)
{
unsigned int reg, divisor;
- /* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set.
*/
+/* Cheok_0509: For SM750LE, the memory clock is fixed. Nothing to set. */
if (getChipType() == SM750LE)
return;
if (frequency) {
- /* Set the frequency to the maximum frequency that the SM750
engine can
- run, which is about 190 MHz. */
+ /*
+ * Set the frequency to the maximum frequency that the SM750 engine can
+ * run, which is about 190 MHz.
+ */
if (frequency > MHz(190))
frequency = MHz(190);
@@ -236,9 +240,10 @@ int ddk750_initHw(initchip_param_t *pInitParam)
setMasterClock(MHz(pInitParam->masterClock));
- /* Reset the memory controller. If the memory controller is not reset
in SM750,
- the system might hang when sw accesses the memory.
- The memory should be resetted after changing the MXCLK.
+ /*
+ * Reset the memory controller. If the memory controller is not reset
+ * in SM750, the system might hang when sw accesses the memory.The
+ * memory should be resetted after changing the MXCLK.
*/
if (pInitParam->resetMemory == 1) {
reg = PEEK32(MISC_CTRL);
@@ -282,24 +287,23 @@ int ddk750_initHw(initchip_param_t *pInitParam)
}
/*
- monk liu @ 4/6/2011:
- re-write the calculatePLL function of ddk750.
- the original version function does not use some mathematics
tricks and shortcut
- when it doing the calculation of the best N,M,D combination
- I think this version gives a little upgrade in speed
-
- 750 pll clock formular:
- Request Clock = (Input Clock * M )/(N * X)
-
- Input Clock = 14318181 hz
- X = 2 power D
- D ={0,1,2,3,4,5,6}
- M = {1,...,255}
- N = {2,...,15}
-*/
+ * monk liu @ 4/6/2011:
+ * re-write the calculatePLL function of ddk750. the original version
+ * function does not use some mathematics tricks and shortcut when it
+ * doing the calculation of the best N,M,D combination. I think this
+ * version gives a little upgrade in speed
+ *
+ * 750 pll clock formular:
+* Request Clock = (Input Clock * M )/(N * X)
+ * Input Clock = 14318181 hz
+ * X = 2 power D
+ * D ={0,1,2,3,4,5,6}
+ * M = {1,...,255}
+ * N = {2,...,15}
+ */
unsigned int calcPllValue(unsigned int request_orig, pll_value_t *pll)
{
- /* as sm750 register definition, N located in 2,15 and M located in
1,255 */
+/* as sm750 register definition, N located in 2,15 and M located in 1,255 */
int N, M, X, d;
int mini_diff;
unsigned int RN, quo, rem, fl_quo;
@@ -310,7 +314,8 @@ unsigned int calcPllValue(unsigned int request_orig,
pll_value_t *pll)
if (getChipType() == SM750LE) {
/* SM750LE don't have prgrammable PLL and M/N values to work on.
- Just return the requested clock. */
+ * Just return the requested clock.
+ */
return request_orig;
}
@@ -319,12 +324,12 @@ unsigned int calcPllValue(unsigned int request_orig,
pll_value_t *pll)
request = request_orig / 1000;
input = pll->inputFreq / 1000;
- /* for MXCLK register , no POD provided, so need be treated differently
*/
+/* for MXCLK register , no POD provided, so need be treated differently
*/
if (pll->clockType == MXCLK_PLL)
max_d = 3;
for (N = 15; N > 1; N--) {
- /* RN will not exceed maximum long if @request <= 285 MHZ (for
32bit cpu) */
+/* RN will not exceed maximum long if @request <= 285 MHZ (for 32bit cpu) */
RN = N * request;
quo = RN / input;
rem = RN % input;/* rem always small than 14318181 */
--
2.7.4
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