target/linux/bcm27xx/patches-4.19/950-0462-mmc-bcm2835-sdhost-Support-64-bit-physical-addresses.patch

   1 From 8a58288d710a817b5dc7747f0bec1fb167368e7e Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Wed, 29 Aug 2018 09:05:15 +0100
   4 Subject: [PATCH] mmc: bcm2835-sdhost: Support 64-bit physical
   5  addresses
   6
   7 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
   8 ---
   9  drivers/mmc/host/bcm2835-sdhost.c | 10 ++++++----
  10  1 file changed, 6 insertions(+), 4 deletions(-)
  11
  12 --- a/drivers/mmc/host/bcm2835-sdhost.c
  13 +++ b/drivers/mmc/host/bcm2835-sdhost.c
  14 @@ -148,7 +148,7 @@ struct bcm2835_host {
  15         spinlock_t              lock;
  16
  17         void __iomem            *ioaddr;
  18 -       u32                     bus_addr;
  19 +       phys_addr_t             bus_addr;
  20
  21         struct mmc_host         *mmc;
  22
  23 @@ -246,8 +246,8 @@ static void log_init(struct device *dev,
  24         sdhost_log_buf = dma_zalloc_coherent(dev, LOG_SIZE, &sdhost_log_addr,
  25                                              GFP_KERNEL);
  26         if (sdhost_log_buf) {
  27 -               pr_info("sdhost: log_buf @ %p (%x)\n",
  28 -                       sdhost_log_buf, (u32)sdhost_log_addr);
  29 +               pr_info("sdhost: log_buf @ %p (%llx)\n",
  30 +                       sdhost_log_buf, (u64)sdhost_log_addr);
  31                 timer_base = ioremap_nocache(bus_to_phys + 0x7e003000, SZ_4K);
  32                 if (!timer_base)
  33                         pr_err("sdhost: failed to remap timer\n");
  34 @@ -2024,6 +2024,7 @@ static int bcm2835_sdhost_probe(struct p
  35         struct mmc_host *mmc;
  36         const __be32 *addr;
  37         u32 msg[3];
  38 +       int na;
  39         int ret;
  40
  41         pr_debug("bcm2835_sdhost_probe\n");
  42 @@ -2047,12 +2048,13 @@ static int bcm2835_sdhost_probe(struct p
  43                 goto err;
  44         }
  45
  46 +       na = of_n_addr_cells(node);
  47         addr = of_get_address(node, 0, NULL, NULL);
  48         if (!addr) {
  49                 dev_err(dev, "could not get DMA-register address\n");
  50                 return -ENODEV;
  51         }
  52 -       host->bus_addr = be32_to_cpup(addr);
  53 +       host->bus_addr = (phys_addr_t)of_read_number(addr, na);
  54         pr_debug(" - ioaddr %lx, iomem->start %lx, bus_addr %lx\n",
  55                  (unsigned long)host->ioaddr,
  56                  (unsigned long)iomem->start,