Re: [PATCH v4 7/8] DMA: Freescale: use spin_lock_bh instead of spin_lock_irqsave

2014-05-04 Thread Hongbo Zhang
On 05/03/2014 12:51 AM, Vinod Koul wrote: On Fri, Apr 18, 2014 at 04:17:50PM +0800, hongbo.zh...@freescale.com wrote: From: Hongbo Zhang The usage of spin_lock_irqsave() is a stronger locking mechanism than is required throughout the driver. The minimum locking required should be used instead

Re: [PATCH v4 7/8] DMA: Freescale: use spin_lock_bh instead of spin_lock_irqsave

2014-05-02 Thread Vinod Koul
On Fri, Apr 18, 2014 at 04:17:50PM +0800, hongbo.zh...@freescale.com wrote: > From: Hongbo Zhang > > The usage of spin_lock_irqsave() is a stronger locking mechanism than is > required throughout the driver. The minimum locking required should be used > instead. Interrupts will be turned off and

[PATCH v4 7/8] DMA: Freescale: use spin_lock_bh instead of spin_lock_irqsave

2014-04-18 Thread hongbo.zhang
From: Hongbo Zhang The usage of spin_lock_irqsave() is a stronger locking mechanism than is required throughout the driver. The minimum locking required should be used instead. Interrupts will be turned off and context will be saved, it is unnecessary to use irqsave. This patch changes all insta