linux-kernel - [PATCH kernel v4 08/11] powerpc/powernv/ioda2: Export debug helper pe_level

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Date:	Fri, 29 Apr 2016 18:55:21 +1000
From:	Alexey Kardashevskiy <aik@...abs.ru>
To:	linuxppc-dev@...ts.ozlabs.org
Cc:	Alexey Kardashevskiy <aik@...abs.ru>,
	Alex Williamson <alex.williamson@...hat.com>,
	Alistair Popple <alistair@...ple.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Daniel Axtens <dja@...ens.net>,
	David Gibson <david@...son.dropbear.id.au>,
	Gavin Shan <gwshan@...ux.vnet.ibm.com>,
	Russell Currey <ruscur@...sell.cc>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH kernel v4 08/11] powerpc/powernv/ioda2: Export debug helper pe_level_printk()

This exports debugging helper pe_level_printk() and corresponding macroses
so they can be used in npu-dma.c.

Signed-off-by: Alexey Kardashevskiy <aik@...abs.ru>
---
 arch/powerpc/platforms/powernv/pci-ioda.c | 9 +--------
 arch/powerpc/platforms/powernv/pci.h      | 9 +++++++++
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 272521e..db7695f 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -56,7 +56,7 @@
 
 static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl);
 
-static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
+void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
 			    const char *fmt, ...)
 {
 	struct va_format vaf;
@@ -87,13 +87,6 @@ static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
 	va_end(args);
 }
 
-#define pe_err(pe, fmt, ...)					\
-	pe_level_printk(pe, KERN_ERR, fmt, ##__VA_ARGS__)
-#define pe_warn(pe, fmt, ...)					\
-	pe_level_printk(pe, KERN_WARNING, fmt, ##__VA_ARGS__)
-#define pe_info(pe, fmt, ...)					\
-	pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__)
-
 static bool pnv_iommu_bypass_disabled __read_mostly;
 
 static int __init iommu_setup(char *str)
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index d574a9d..485e5b1 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -236,6 +236,15 @@ extern void pnv_pci_dma_bus_setup(struct pci_bus *bus);
 extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type);
 extern void pnv_teardown_msi_irqs(struct pci_dev *pdev);
 
+extern void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
+			    const char *fmt, ...);
+#define pe_err(pe, fmt, ...)					\
+	pe_level_printk(pe, KERN_ERR, fmt, ##__VA_ARGS__)
+#define pe_warn(pe, fmt, ...)					\
+	pe_level_printk(pe, KERN_WARNING, fmt, ##__VA_ARGS__)
+#define pe_info(pe, fmt, ...)					\
+	pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__)
+
 /* Nvlink functions */
 extern void pnv_npu_init_dma_pe(struct pnv_ioda_pe *npe);
 extern void pnv_npu_setup_dma_pe(struct pnv_ioda_pe *npe);
-- 
2.5.0.rc3