linux-kernel - [PATCH 6/9] net: cwdavinci_cpdma: export symbols for cpsw

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Message-Id: <1360882071-4072668-7-git-send-email-arnd@arndb.de>
Date:	Thu, 14 Feb 2013 23:47:48 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org, arm@...nel.org,
	Arnd Bergmann <arnd@...db.de>,
	Mugunthan V N <mugunthanvnm@...com>,
	Vaibhav Hiremath <hvaibhav@...com>,
	Richard Cochran <richardcochran@...il.com>,
	netdev@...r.kernel.org
Subject: [PATCH 6/9] net: cwdavinci_cpdma: export symbols for cpsw

With the support for ARM AM33xx in multiplatform kernels
in 3.9, an older bug appears in ARM allmodconfig:
When the cpsw driver is built as a module with cpdma
support enabled, it uses symbols that the cpdma driver
does not export.

Without this patch, building allmodconfig results in:

ERROR: "cpdma_ctlr_int_ctrl" [drivers/net/ethernet/ti/ti_cpsw.ko] undefined!
ERROR: "cpdma_control_set" [drivers/net/ethernet/ti/ti_cpsw.ko] undefined!
ERROR: "cpdma_ctlr_eoi" [drivers/net/ethernet/ti/ti_cpsw.ko] undefined!

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Cc: Mugunthan V N <mugunthanvnm@...com>
Cc: Vaibhav Hiremath <hvaibhav@...com>
Cc: Richard Cochran <richardcochran@...il.com>
Cc: netdev@...r.kernel.org
---
 drivers/net/ethernet/ti/davinci_cpdma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index 7d3bffd..8eeb7c9 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -492,11 +492,13 @@ int cpdma_ctlr_int_ctrl(struct cpdma_ctlr *ctlr, bool enable)
 	spin_unlock_irqrestore(&ctlr->lock, flags);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(cpdma_ctlr_int_ctrl);
 
 void cpdma_ctlr_eoi(struct cpdma_ctlr *ctlr)
 {
 	dma_reg_write(ctlr, CPDMA_MACEOIVECTOR, 0);
 }
+EXPORT_SYMBOL_GPL(cpdma_ctlr_eoi);
 
 struct cpdma_chan *cpdma_chan_create(struct cpdma_ctlr *ctlr, int chan_num,
 				     cpdma_handler_fn handler)
@@ -1028,3 +1030,4 @@ unlock_ret:
 	spin_unlock_irqrestore(&ctlr->lock, flags);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(cpdma_control_set);
-- 
1.8.1.2

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