Message ID | 1518606615-14404-6-git-send-email-ajay.kathat@microchip.com (mailing list archive) |
---|---|
State | Not Applicable |
Delegated to: | Kalle Valo |
Headers | show |
On 14.02.2018 13:10, Ajay Singh wrote: > Refactor wilc_spi_read_int() to fix the line over 80 char issues reported > by checkpatch.pl script. > > Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> > --- > drivers/staging/wilc1000/wilc_spi.c | 57 +++++++++++++++++++------------------ > 1 file changed, 29 insertions(+), 28 deletions(-) > > diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c > index fddc0db..7c58beb8 100644 > --- a/drivers/staging/wilc1000/wilc_spi.c > +++ b/drivers/staging/wilc1000/wilc_spi.c > @@ -939,45 +939,46 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status) > int happened, j; > u32 unknown_mask; > u32 irq_flags; > + int k = IRG_FLAGS_OFFSET + 5; > > if (g_spi.has_thrpt_enh) { > ret = spi_internal_read(wilc, 0xe840 - WILC_SPI_REG_BASE, > int_status); > - } else { > - ret = wilc_spi_read_reg(wilc, WILC_VMM_TO_HOST_SIZE, > - &byte_cnt); > - if (!ret) { > - dev_err(&spi->dev, > - "Failed read WILC_VMM_TO_HOST_SIZE ...\n"); > - goto _fail_; > - } > - tmp = (byte_cnt >> 2) & IRQ_DMA_WD_CNT_MASK; > + return ret; > + } > + ret = wilc_spi_read_reg(wilc, WILC_VMM_TO_HOST_SIZE, &byte_cnt); > + if (!ret) { > + dev_err(&spi->dev, > + "Failed read WILC_VMM_TO_HOST_SIZE ...\n"); > + goto _fail_; > + } > + tmp = (byte_cnt >> 2) & IRQ_DMA_WD_CNT_MASK; > > - j = 0; > - do { > - happened = 0; > + j = 0; > + do { > + happened = 0; You could remove this happen > > - wilc_spi_read_reg(wilc, 0x1a90, &irq_flags); > - tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET); > + wilc_spi_read_reg(wilc, 0x1a90, &irq_flags); > + tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET); > > - if (g_spi.nint > 5) { > - wilc_spi_read_reg(wilc, 0x1a94, > - &irq_flags); > - tmp |= (((irq_flags >> 0) & 0x7) << (IRG_FLAGS_OFFSET + 5)); > - } > + if (g_spi.nint > 5) { > + wilc_spi_read_reg(wilc, 0x1a94, &irq_flags); > + tmp |= (((irq_flags >> 0) & 0x7) << k); > + } > > - unknown_mask = ~((1ul << g_spi.nint) - 1); > + unknown_mask = ~((1ul << g_spi.nint) - 1); You could use GENMASK(g_spi.nint - 1, 0) instead of ~((1ul << g_spi.nint) - 1) > > - if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) { > - dev_err(&spi->dev, "Unexpected interrupt (2): j=%d, tmp=%x, mask=%x\n", j, tmp, unknown_mask); > - happened = 1; > - } > + if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) { > + dev_err(&spi->dev, > + "Unexpected interrupt(2):j=%d,tmp=%x,mask=%x\n", > + j, tmp, unknown_mask); > + happened = 1; And here just break; > + } > > - j++; > - } while (happened); And here use while (true); > + j++; > + } while (happened); > > - *int_status = tmp; > - } > + *int_status = tmp; > > _fail_: > return ret; >
On Fri, 16 Feb 2018 20:15:53 +0200 Claudiu Beznea <Claudiu.Beznea@microchip.com> wrote: > On 14.02.2018 13:10, Ajay Singh wrote: > > Refactor wilc_spi_read_int() to fix the line over 80 char issues reported > > by checkpatch.pl script. > > > > Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> > > --- > > drivers/staging/wilc1000/wilc_spi.c | 57 +++++++++++++++++++------------------ > > 1 file changed, 29 insertions(+), 28 deletions(-) > > > > diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c > > index fddc0db..7c58beb8 100644 > > --- a/drivers/staging/wilc1000/wilc_spi.c > > +++ b/drivers/staging/wilc1000/wilc_spi.c > > @@ -939,45 +939,46 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status) > > int happened, j; > > u32 unknown_mask; > > u32 irq_flags; > > + int k = IRG_FLAGS_OFFSET + 5; > > > > if (g_spi.has_thrpt_enh) { > > ret = spi_internal_read(wilc, 0xe840 - WILC_SPI_REG_BASE, > > int_status); > > - } else { > > - ret = wilc_spi_read_reg(wilc, WILC_VMM_TO_HOST_SIZE, > > - &byte_cnt); > > - if (!ret) { > > - dev_err(&spi->dev, > > - "Failed read WILC_VMM_TO_HOST_SIZE ...\n"); > > - goto _fail_; > > - } > > - tmp = (byte_cnt >> 2) & IRQ_DMA_WD_CNT_MASK; > > + return ret; > > + } > > + ret = wilc_spi_read_reg(wilc, WILC_VMM_TO_HOST_SIZE, &byte_cnt); > > + if (!ret) { > > + dev_err(&spi->dev, > > + "Failed read WILC_VMM_TO_HOST_SIZE ...\n"); > > + goto _fail_; > > + } > > + tmp = (byte_cnt >> 2) & IRQ_DMA_WD_CNT_MASK; > > > > - j = 0; > > - do { > > - happened = 0; > > + j = 0; > > + do { > > + happened = 0; > You could remove this happen > > Yes, we don't need "happened" variable,it can be removed. As the patch was only to remove the 80 char checkpatch.pl warning. Will remove the use of this variable in separate patch. > > - wilc_spi_read_reg(wilc, 0x1a90, &irq_flags); > > - tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET); > > + wilc_spi_read_reg(wilc, 0x1a90, &irq_flags); > > + tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET); > > > > - if (g_spi.nint > 5) { > > - wilc_spi_read_reg(wilc, 0x1a94, > > - &irq_flags); > > - tmp |= (((irq_flags >> 0) & 0x7) << (IRG_FLAGS_OFFSET + 5)); > > - } > > + if (g_spi.nint > 5) { > > + wilc_spi_read_reg(wilc, 0x1a94, &irq_flags); > > + tmp |= (((irq_flags >> 0) & 0x7) << k); > > + } > > > > - unknown_mask = ~((1ul << g_spi.nint) - 1); > > + unknown_mask = ~((1ul << g_spi.nint) - 1); > You could use GENMASK(g_spi.nint - 1, 0) instead of ~((1ul << g_spi.nint) - 1) > > Will do the modification to make use of GENMASK in future patch. > > - if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) { > > - dev_err(&spi->dev, "Unexpected interrupt (2): j=%d, tmp=%x, mask=%x\n", j, tmp, unknown_mask); > > - happened = 1; > > - } > > + if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) { > > + dev_err(&spi->dev, > > + "Unexpected interrupt(2):j=%d,tmp=%x,mask=%x\n", > > + j, tmp, unknown_mask); > > + happened = 1; > And here just break; > > + } > > > > - j++; > > - } while (happened); > And here use while (true); > > + j++; > > + } while (happened); > > > > - *int_status = tmp; > > - } > > + *int_status = tmp; > > > > _fail_: > > return ret; > > regards, ajay
diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c index fddc0db..7c58beb8 100644 --- a/drivers/staging/wilc1000/wilc_spi.c +++ b/drivers/staging/wilc1000/wilc_spi.c @@ -939,45 +939,46 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status) int happened, j; u32 unknown_mask; u32 irq_flags; + int k = IRG_FLAGS_OFFSET + 5; if (g_spi.has_thrpt_enh) { ret = spi_internal_read(wilc, 0xe840 - WILC_SPI_REG_BASE, int_status); - } else { - ret = wilc_spi_read_reg(wilc, WILC_VMM_TO_HOST_SIZE, - &byte_cnt); - if (!ret) { - dev_err(&spi->dev, - "Failed read WILC_VMM_TO_HOST_SIZE ...\n"); - goto _fail_; - } - tmp = (byte_cnt >> 2) & IRQ_DMA_WD_CNT_MASK; + return ret; + } + ret = wilc_spi_read_reg(wilc, WILC_VMM_TO_HOST_SIZE, &byte_cnt); + if (!ret) { + dev_err(&spi->dev, + "Failed read WILC_VMM_TO_HOST_SIZE ...\n"); + goto _fail_; + } + tmp = (byte_cnt >> 2) & IRQ_DMA_WD_CNT_MASK; - j = 0; - do { - happened = 0; + j = 0; + do { + happened = 0; - wilc_spi_read_reg(wilc, 0x1a90, &irq_flags); - tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET); + wilc_spi_read_reg(wilc, 0x1a90, &irq_flags); + tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET); - if (g_spi.nint > 5) { - wilc_spi_read_reg(wilc, 0x1a94, - &irq_flags); - tmp |= (((irq_flags >> 0) & 0x7) << (IRG_FLAGS_OFFSET + 5)); - } + if (g_spi.nint > 5) { + wilc_spi_read_reg(wilc, 0x1a94, &irq_flags); + tmp |= (((irq_flags >> 0) & 0x7) << k); + } - unknown_mask = ~((1ul << g_spi.nint) - 1); + unknown_mask = ~((1ul << g_spi.nint) - 1); - if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) { - dev_err(&spi->dev, "Unexpected interrupt (2): j=%d, tmp=%x, mask=%x\n", j, tmp, unknown_mask); - happened = 1; - } + if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) { + dev_err(&spi->dev, + "Unexpected interrupt(2):j=%d,tmp=%x,mask=%x\n", + j, tmp, unknown_mask); + happened = 1; + } - j++; - } while (happened); + j++; + } while (happened); - *int_status = tmp; - } + *int_status = tmp; _fail_: return ret;
Refactor wilc_spi_read_int() to fix the line over 80 char issues reported by checkpatch.pl script. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> --- drivers/staging/wilc1000/wilc_spi.c | 57 +++++++++++++++++++------------------ 1 file changed, 29 insertions(+), 28 deletions(-)