lc823450 smp improvement
* arch/arm/src/common: Apply irq_spin APIs to modifyregXX
Replace enter_critical_section with spin_lock_irqsave.
Replace leave_critical_section with spin_unlock_irqrestore.
Please see 6150299f5406641ce03fa29e506727f1e72068e4 as well.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch/arm/src/lc823450: Do not use modifyreg32() to enable Mutex.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch/arm/src/lc823450: Modify IRQ control for i2s
Interrupt will be handled on CPU0 with this change.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch/arm/src/lc823450: Apply irq_spin APIs to dma/syscontrol/usbdev.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* configs/lc823450-xgevk: Assign CPU1 to lpwork
This change will improve load balancing for networking with RNDIS.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* drivers/audio/wm8776.c: Improve stability in SMP mode
Apply irq_spin APIs to improbe performance.
Repeat to process a message to avoid deadlock.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* configs/lc823450-xgevk: Enable SPINLOCK_IRQ and NXPLAYER in rndis
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
