RE: [PATCH v6 6/8] fsl-dma: use spin_lock_bh to instead of spin_lock_irqsave

2012-08-06 Thread Liu Qiang-B32616
..@gmail.com; vinod.k...@intel.com; Phillips Kim-R1AAHA; > herb...@gondor.hengli.com.au; da...@davemloft.net; > gre...@linuxfoundation.org; Li Yang-R58472; Tabi Timur-B04825 > Subject: Re: [PATCH v6 6/8] fsl-dma: use spin_lock_bh to instead of > spin_lock_irqsave > > On Monday

Re: [PATCH v6 6/8] fsl-dma: use spin_lock_bh to instead of spin_lock_irqsave

2012-08-06 Thread Arnd Bergmann
On Monday 06 August 2012, qiang@freescale.com wrote: > > From: Qiang Liu > > The use 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