MIPS: MSP71xx: remove odd locking in PCI config space access code
Caller (generic PCI code) already do proper locking so no need to add
another one here.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Linux MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7601/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c
index 50034f9..dd2d9f7 100644
--- a/arch/mips/pci/ops-pmcmsp.c
+++ b/arch/mips/pci/ops-pmcmsp.c
@@ -193,8 +193,6 @@
}
#endif /* CONFIG_PROC_FS && PCI_COUNTERS */
-static DEFINE_SPINLOCK(bpci_lock);
-
/*****************************************************************************
*
* STRUCT: pci_io_resource
@@ -368,7 +366,6 @@
struct msp_pci_regs *preg = (void *)PCI_BASE_REG;
unsigned char bus_num = bus->number;
unsigned char dev_fn = (unsigned char)devfn;
- unsigned long flags;
unsigned long intr;
unsigned long value;
static char pciirqflag;
@@ -401,10 +398,7 @@
}
#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
- local_irq_save(flags);
vpe_status = dvpe();
-#else
- spin_lock_irqsave(&bpci_lock, flags);
#endif
/*
@@ -457,9 +451,6 @@
#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
evpe(vpe_status);
- local_irq_restore(flags);
-#else
- spin_unlock_irqrestore(&bpci_lock, flags);
#endif
return -1;
@@ -467,9 +458,6 @@
#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
evpe(vpe_status);
- local_irq_restore(flags);
-#else
- spin_unlock_irqrestore(&bpci_lock, flags);
#endif
return PCIBIOS_SUCCESSFUL;