[V2, 2/6] tty: serial: lpuart: add little endian 32 bit register support
From: nikita.yoush@cogentembedded.com (Nikita Yushchenko)
Date: 2017-05-17 05:37:47
Also in:
linux-serial, lkml
From: nikita.yoush@cogentembedded.com (Nikita Yushchenko)
Date: 2017-05-17 05:37:47
Also in:
linux-serial, lkml
17.05.2017 06:39, Dong Aisheng wrote:
On Tue, May 16, 2017 at 02:15:08PM +0300, Nikita Yushchenko wrote:quoted
quoted
static u32 lpuart32_read(void __iomem *addr) { - return ioread32be(addr); + return lpuart_is_be ? ioread32be(addr) : readl(addr); } static void lpuart32_write(u32 val, void __iomem *addr) { - iowrite32be(val, addr); + if (lpuart_is_be) + iowrite32be(val, addr); + else + writel(val, addr); }What if this is ever executed on big endian system?Sorry, not catching the point... What issues will meet?
Isn't writel() in host endian?