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Subject[PATCH next] net/wan/fsl_ucc_hdlc: remove set but not used variables 'ut_info' and 'ret'
Date
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wan/fsl_ucc_hdlc.c: In function ucc_hdlc_irq_handler:
drivers/net/wan/fsl_ucc_hdlc.c:643:23:
warning: variable ut_info set but not used [-Wunused-but-set-variable]
drivers/net/wan/fsl_ucc_hdlc.c: In function uhdlc_suspend:
drivers/net/wan/fsl_ucc_hdlc.c:880:23:
warning: variable ut_info set but not used [-Wunused-but-set-variable]
drivers/net/wan/fsl_ucc_hdlc.c: In function uhdlc_resume:
drivers/net/wan/fsl_ucc_hdlc.c:925:6:
warning: variable ret set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
drivers/net/wan/fsl_ucc_hdlc.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 8d6ec33..49b1aaf 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -640,11 +640,9 @@ static irqreturn_t ucc_hdlc_irq_handler(int irq, void *dev_id)
struct ucc_hdlc_private *priv = (struct ucc_hdlc_private *)dev_id;
struct net_device *dev = priv->ndev;
struct ucc_fast_private *uccf;
- struct ucc_tdm_info *ut_info;
u32 ucce;
u32 uccm;

- ut_info = priv->ut_info;
uccf = priv->uccf;

ucce = ioread32be(uccf->p_ucce);
@@ -877,7 +875,6 @@ static void resume_clk_config(struct ucc_hdlc_private *priv)
static int uhdlc_suspend(struct device *dev)
{
struct ucc_hdlc_private *priv = dev_get_drvdata(dev);
- struct ucc_tdm_info *ut_info;
struct ucc_fast __iomem *uf_regs;

if (!priv)
@@ -889,7 +886,6 @@ static int uhdlc_suspend(struct device *dev)
netif_device_detach(priv->ndev);
napi_disable(&priv->napi);

- ut_info = priv->ut_info;
uf_regs = priv->uf_regs;

/* backup gumr guemr*/
@@ -922,7 +918,7 @@ static int uhdlc_resume(struct device *dev)
struct ucc_fast __iomem *uf_regs;
struct ucc_fast_private *uccf;
struct ucc_fast_info *uf_info;
- int ret, i;
+ int i;
u32 cecr_subblock;
u16 bd_status;

@@ -967,7 +963,7 @@ static int uhdlc_resume(struct device *dev)

/* Write to QE CECR, UCCx channel to Stop Transmission */
cecr_subblock = ucc_fast_get_qe_cr_subblock(uf_info->ucc_num);
- ret = qe_issue_cmd(QE_STOP_TX, cecr_subblock,
+ qe_issue_cmd(QE_STOP_TX, cecr_subblock,
(u8)QE_CR_PROTOCOL_UNSPECIFIED, 0);

/* Set UPSMR normal mode */
@@ -975,7 +971,7 @@ static int uhdlc_resume(struct device *dev)

/* init parameter base */
cecr_subblock = ucc_fast_get_qe_cr_subblock(uf_info->ucc_num);
- ret = qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, cecr_subblock,
+ qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, cecr_subblock,
QE_CR_PROTOCOL_UNSPECIFIED, priv->ucc_pram_offset);

priv->ucc_pram = (struct ucc_hdlc_param __iomem *)
--
2.7.4
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