24 lines
719 B
Diff
24 lines
719 B
Diff
Bugzilla: 1012025
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Upstream-status: An initial work around for the cpsw driver issue trying to access HW registers
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with clock disabled. Upstream is working on a proper fix with the hope to land it in 3.13.
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--- linux-3.12.4-1.fc20.x86_64/drivers/net/ethernet/ti/cpsw.c.orig 2013-12-11 20:52:41.576478796 +0000
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+++ linux-3.12.4-1.fc20.x86_64/drivers/net/ethernet/ti/cpsw.c 2013-12-11 20:55:14.418692261 +0000
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@@ -2001,6 +2001,8 @@
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goto clean_cpsw_iores_ret;
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}
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priv->regs = ss_regs;
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+
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+ pm_runtime_get_sync(&pdev->dev);
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priv->version = __raw_readl(&priv->regs->id_ver);
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priv->host_port = HOST_PORT_NUM;
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@@ -2161,6 +2163,7 @@
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goto clean_irq_ret;
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}
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}
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+ pm_runtime_put_sync(&pdev->dev);
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return 0;
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