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spi: mpc8xxx: Rename camel-case variables

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There are three variables that have camel-case names, which is not the
preferred naming style.

Give those variables more compliant names instead.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Mario Six
2019-04-29 01:58:38 +05:30
committed by Jagan Teki
parent d93fe31020
commit 01ac1e19df
1 changed files with 11 additions and 11 deletions
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22
drivers/spi/mpc8xxx_spi.c
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@@ -77,9 +77,9 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din,
{ {
volatile spi8xxx_t *spi = &((immap_t *) (CONFIG_SYS_IMMR))->spi; volatile spi8xxx_t *spi = &((immap_t *) (CONFIG_SYS_IMMR))->spi;
uint tmpdout, tmpdin, event; uint tmpdout, tmpdin, event;
int numBlks = DIV_ROUND_UP(bitlen, 32); int num_blks = DIV_ROUND_UP(bitlen, 32);
int tm, isRead = 0; int tm, is_read = 0;
uchar charSize = 32; uchar char_size = 32;
debug("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n", debug("spi_xfer: slave %u:%u dout %08X din %08X bitlen %u\n",
slave->bus, slave->cs, *(uint *) dout, *(uint *) din, bitlen); slave->bus, slave->cs, *(uint *) dout, *(uint *) din, bitlen);
@@ -91,12 +91,12 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din,
spi->event = 0xffffffff; spi->event = 0xffffffff;
/* Handle data in 32-bit chunks */ /* Handle data in 32-bit chunks */
while (numBlks--) { while (num_blks--) {
tmpdout = 0; tmpdout = 0;
charSize = (bitlen >= 32 ? 32 : bitlen); char_size = (bitlen >= 32 ? 32 : bitlen);
/* Shift data so it's msb-justified */ /* Shift data so it's msb-justified */
tmpdout = *(u32 *) dout >> (32 - charSize); tmpdout = *(u32 *) dout >> (32 - char_size);
/* The LEN field of the SPMODE register is set as follows: /* The LEN field of the SPMODE register is set as follows:
* *
@@ -134,15 +134,15 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din,
* or time out (1 second = 1000 ms) * or time out (1 second = 1000 ms)
* The NE event must be read and cleared first * The NE event must be read and cleared first
*/ */
for (tm = 0, isRead = 0; tm < SPI_TIMEOUT; ++tm) { for (tm = 0, is_read = 0; tm < SPI_TIMEOUT; ++tm) {
event = spi->event; event = spi->event;
if (event & SPI_EV_NE) { if (event & SPI_EV_NE) {
tmpdin = spi->rx; tmpdin = spi->rx;
spi->event |= SPI_EV_NE; spi->event |= SPI_EV_NE;
isRead = 1; is_read = 1;
*(u32 *) din = (tmpdin << (32 - charSize)); *(u32 *) din = (tmpdin << (32 - char_size));
if (charSize == 32) { if (char_size == 32) {
/* Advance output buffer by 32 bits */ /* Advance output buffer by 32 bits */
din += 4; din += 4;
} }
@@ -153,7 +153,7 @@ int spi_xfer(struct spi_slave *slave, uint bitlen, const void *dout, void *din,
* in the future put an arbitrary delay after writing * in the future put an arbitrary delay after writing
* the device. Arbitrary delays suck, though... * the device. Arbitrary delays suck, though...
*/ */
if (isRead && (event & SPI_EV_NF)) if (is_read && (event & SPI_EV_NF))
break; break;
} }
if (tm >= SPI_TIMEOUT) if (tm >= SPI_TIMEOUT)