ArchLinux PKGBUILD for Alcor Micro AU6601 card reader (for Linux kernel 4.16+ only)

au6601-timers.diff

--- au6601.c.old	2018-05-06 08:24:34.872687130 +0300
+++ au6601.c	2018-05-06 08:26:34.200419328 +0300
@@ -1015,11 +1015,9 @@
 	mmc_request_done(host->mmc, mrq);
 }
 
-static void au6601_timeout_timer(unsigned long data)
+static void au6601_timeout_timer(struct timer_list *t)
 {
-	struct au6601_host *host;
-
-	host = (struct au6601_host *)data;
+	struct au6601_host *host = from_timer(host, t, timer);
 
 	mutex_lock(&host->cmd_mutex);
 
@@ -1184,7 +1182,7 @@
 	/*
 	 * Init tasklets.
 	 */
-	setup_timer(&host->timer, au6601_timeout_timer, (unsigned long)host);
+	timer_setup(&host->timer, au6601_timeout_timer, 0);
 
 	au6601_init_mmc(host);
 	au6601_hw_init(host);

PKGBUILD

# Maintainer: Yuri Egorov <ysegorov@gmail.com> -> https://github.com/ysegorov

_pkgname=au6601
pkgname=${_pkgname}-dkms
pkgver=0.3
pkgrel=1
pkgdesc="PCI driver for Alcor Micro AU6601 Secure Digital Host Controller Interface (uses DKMS to automatically build the au6601-pci kernel module)."
# arch=('i686' 'x86_64')
arch=('x86_64')
url="https://launchpad.net/~iacobs/+archive/ubuntu/au6601/+packages"
license=('GPL2')
depends=('dkms')
makedepends=()
optdepends=('linux-headers: build the module against Arch kernel')
provides=('au6601-pci')
conflicts=()
# source_i686=("https://launchpad.net/~iacobs/+archive/ubuntu/au6601/+files/au6601-dkms_${pkgver}-0~ppa7_i386.deb")
source_x86_64=(
    "https://launchpad.net/~iacobs/+archive/ubuntu/au6601/+files/au6601-dkms_${pkgver}-0~ppa7_amd64.deb"
    "au6601-timers.diff"
)

# sha256sums_i686=('ef90f21dcd25aac20630c9657bcebc71bf8fddc1cb5e3cc1d8c7febba699f29e')
sha256sums_x86_64=(
    'e366c97ca3ce147c126ad955baca12aea665183b7c86b63beb0f1630a94f5e99'
    'SKIP'
)

prepare() {
    cd ${srcdir}
    bsdtar xf data.tar.xz
    patch -p0 -d "${srcdir}/usr/src/${_pkgname}-${pkgver}/" -i "${srcdir}/au6601-timers.diff"
    sed -i 's/^MAKE/# MAKE/' "${srcdir}/usr/src/${_pkgname}-${pkgver}/dkms.conf"
}

package() {
    cp -r "${srcdir}/usr" "${pkgdir}"
}

post_install() {
    DKMS_NAME=${_pkgname}
    DKMS_PACKAGE_NAME=$DKMS_NAME-dkms
    DKMS_VERSION=${pkgver}
}

post_upgrade() {
    post_install
}

pre_remove() {
    DKMS_NAME=${_pkgname}
    DKMS_VERSION=${pkgver}

    if [  "$(dkms status -m $DKMS_NAME -v $DKMS_VERSION)" ]; then
        dkms remove -m $DKMS_NAME -v $DKMS_VERSION --all
    fi
}

Does this work with AU6625?

@RossComputerGuy I don't think so
but according to this commit it can be supported in kernel v5.6+