[V2, 2/6] tty: serial: lpuart: add little endian 32 bit register support
From: Andy Shevchenko <hidden>
Date: 2017-05-17 09:53:49
Also in:
linux-serial, lkml
From: Andy Shevchenko <hidden>
Date: 2017-05-17 09:53:49
Also in:
linux-serial, lkml
On Tue, May 16, 2017 at 2:15 PM, Nikita Yushchenko [off-list ref] wrote:
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?
Above is apparently about bus side of communication and it looks like it needs to be CPU side. Is this what you are trying to discuss? -- With Best Regards, Andy Shevchenko