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From 8a58288d710a817b5dc7747f0bec1fb167368e7e Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 29 Aug 2018 09:05:15 +0100
Subject: [PATCH] mmc: bcm2835-sdhost: Support 64-bit physical
addresses
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/mmc/host/bcm2835-sdhost.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
--- a/drivers/mmc/host/bcm2835-sdhost.c
+++ b/drivers/mmc/host/bcm2835-sdhost.c
@@ -148,7 +148,7 @@ struct bcm2835_host {
spinlock_t lock;
void __iomem *ioaddr;
- u32 bus_addr;
+ phys_addr_t bus_addr;
struct mmc_host *mmc;
@@ -246,8 +246,8 @@ static void log_init(struct device *dev,
sdhost_log_buf = dma_zalloc_coherent(dev, LOG_SIZE, &sdhost_log_addr,
GFP_KERNEL);
if (sdhost_log_buf) {
- pr_info("sdhost: log_buf @ %p (%x)\n",
- sdhost_log_buf, (u32)sdhost_log_addr);
+ pr_info("sdhost: log_buf @ %p (%llx)\n",
+ sdhost_log_buf, (u64)sdhost_log_addr);
timer_base = ioremap_nocache(bus_to_phys + 0x7e003000, SZ_4K);
if (!timer_base)
pr_err("sdhost: failed to remap timer\n");
@@ -2024,6 +2024,7 @@ static int bcm2835_sdhost_probe(struct p
struct mmc_host *mmc;
const __be32 *addr;
u32 msg[3];
+ int na;
int ret;
pr_debug("bcm2835_sdhost_probe\n");
@@ -2047,12 +2048,13 @@ static int bcm2835_sdhost_probe(struct p
goto err;
}
+ na = of_n_addr_cells(node);
addr = of_get_address(node, 0, NULL, NULL);
if (!addr) {
dev_err(dev, "could not get DMA-register address\n");
return -ENODEV;
}
- host->bus_addr = be32_to_cpup(addr);
+ host->bus_addr = (phys_addr_t)of_read_number(addr, na);
pr_debug(" - ioaddr %lx, iomem->start %lx, bus_addr %lx\n",
(unsigned long)host->ioaddr,
(unsigned long)iomem->start,
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