[openwrt/openwrt] kernel: ltq-ptm: fix compilation warning for vr9

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/7ad1fa12efd99dd2a4e4ffa01365280f63e99e55

commit 7ad1fa12efd99dd2a4e4ffa01365280f63e99e55
Author: Christian Marangi <ansuelsmth at gmail.com>
AuthorDate: Sun May 14 18:01:20 2023 +0200

    kernel: ltq-ptm: fix compilation warning for vr9
    
    Fix compilation warning for unused variable for vr9.
    Fix compilation warning:
    /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xrx200/ltq-ptm-vr9/ltq-ptm/ifxmips_ptm_vdsl.c: In function 'mailbox_irq_handler':
    /home/ansuel/openwrt-ansuel/openwrt/build_dir/target-mips-openwrt-linux-musl_musl/linux-lantiq_xrx200/ltq-ptm-vr9/ltq-ptm/ifxmips_ptm_vdsl.c:560:9: error: unused variable 'i' [-Werror=unused-variable]
      560 |     int i;
          |         ^
    cc1: all warnings being treated as errors
    
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c b/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
index d751680853..1007e74cec 100644
--- a/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
+++ b/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_vdsl.c
@@ -557,7 +557,6 @@ static inline int get_tx_desc(unsigned int itf, unsigned int *f_full)
 static irqreturn_t mailbox_irq_handler(int irq, void *dev_id)
 {
     unsigned int isr;
-    int i;
 
     isr = IFX_REG_R32(MBOX_IGU1_ISR);
     IFX_REG_W32(isr, MBOX_IGU1_ISRC);