Linux Kernel 3.19-rc5 发布，详情如下：

更多改进请看这里：

drivers: bus: check cci device tree node status
ARM: dts: disable CCI on exynos5420 based arndale-octa
mmc: sdhci: Tuning should not change max_blk_count
mmc: sdhci: Add out_unlock to sdhci_execute_tuning
mmc: sdhci: Simplify use of tuning timer
mmc: sdhci: Disable re-tuning for HS400
mmc: sdhci-acpi: Add ACPI HID INT344D
mmc: sdhci-pci: Add support for Intel SPT
USB: EHCI: fix initialization bug in iso_stream_schedule()
USB: EHCI: adjust error return code